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Abarca del Rio, R., Gambis, D., Salstein, D. A., 2000, "Interannual signals in length of day and atmospheric angular momentum," Ann. Geophysicae, Vol. 18, pp. 347-364.

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Barkin, Yu. V., 1998, "About Integrable Cases of the Liouville's Problem," Vestnik MGU, ser. 3, Phys. Astr., No. 2, pp. 55-59.

Beutler, G., Mueller, I. I., and Vondrák, J., 1997, "The International Earth Rotation Service: Current missions and recommendations for the future," in IERS Missions, Present and Future, IERS Technical Note, 22, Reigber C. and Feissel M. (eds.), Paris, pp. 1-17.

Bills, B. G., James, T. S., and Mengel, J. G., 1999, "Climatic impact of glacial cycle polar motion: Coupled oscillations of ice sheet mass and rotation pole position," J. Geosphys. Res., Vol. 104, No. B1, pp. 1059-1075.

Bills, B. G., 1999, "Tidal despinning of the mantle, inner core superrotation, and outer core effective viscosity," J. Geophys. Res., Vol. 104, No. B2, pp. 2653-2666.

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Bizouard, C., 1999, "The atmospheric contribution to precession-nutation," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 92-97.

Bizouard, C., Brzezinski, A., and Petrov, S., 1998, "Variability of nutations: can it be driven by the atmosphere?," in Proceedings of the Journées 1997 Systèmes de Référence Spatio-Temporels (Prague, Sept. 1997), J. Vondrák and N. Capitaine (eds.), Observatoire de Paris, pp. 73-76.

Bizouard, C., Capitaine, N., Ron, C., and Vondrák, J., 1997, "Principal term of nutation from the combination of VLBI observations and optical astrometry," in Dynamics and astrometry of natural and artificial celestial bodies, Proc. IAU Coll. 165, Wytrzyszczak I., Lieske J., and Feldman R. A. (eds.), Kluwer, pp. 481-486.

Bizouard, C., Titov, O., and Loyer, S., 1999, "Diurnal and subdiurnal terms of geophysical origin in the pole motion," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 175-177.

Bondarenko, V. V., Markov, Ju. G., Skorobogatykh, I. V, 1998, "The Tendency to Commensurability of Rotation and Mean Motion of Celestial Bodies under the Effect of Gravitational Tides," Astronomicheskij Vestnik, Vol. 32, pp. 340-351.

Bougeard, M. L. and Caquineau, C., 1999, "Parallel Proximal Decomposition Algorithms for Robust Estimation," (technical report University Lyon 1-UCBL, 1996) in press in Annals of Operations Research 1999.

Bougeard, M. L., Caquineau, C., Bange, J. F., and Bec-Borsenberger, A., 1997, "Robust Estimation with Application to Hipparcos Minor Planet Data," Proc. Hipparcos-Venice 97, pp. 165-168.

Bougeard, M. L., Gambis, D., and Ray R., 1999, "Algorithms for box constrained M-estimation: fitting large data sets with application to EOP series," subm. to Journal of nonlinear process in Geophysics, Physics and Chemistry of the Earth.

Bouquillon, S. and Souchay, J., 1998, "Precise modeling of the precession-nutation of Mars," Astron. Astrophys., Vol. 345, pp. 282-297.

Bouquillon, S. and Souchay, J., 1999, "The precession-nutation of Mars: calculation and comparison with the Earth," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 142-143.

Bretagnon, P., Rocher, P., and Simon, J. L., 1997, "Theory of the rotation of the rigid Earth," Astron. Astrophys., Vol. 319, pp. 305-317.

Brosche, P., Wünsch, J., Maier-Reimer, E., Segschneider, J., and Sündermann, J., 1997, "The axial angular momentum of the general circulation of the oceans," Astron. Nachr. Vol. 318, pp. 193-199.

Brosche, P. and Schuh, H., 1998, "Tides and Earth Rotation," Surveys in Geophysics, Vol. 19, pp. 417-430.

Brzezinski, A., 1996, "The free core nutation resonance in Earth rotation: observability and modeling," Modern Problems and Methods of Astrometry and Geodynamics, 23 - 28 September 1996, St. Petersburg, pp. 328-335.

Brzezinski, A., 1998, "Contribution to the discussion concerning the definition of the Celestial Ephemeris Pole," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels , Observatoire de Paris, in press.

Brzezinski, A. and Petrov, S. D., 1999, "Observational evidence of the free core nutation and its geophysical excitation," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels 1998, (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 169-174.

Buffett, B. A. and Creager, K. C., 1999, "A comparison of geodetic and seismic estimates of inner-core rotation," Geophys. Res. Lett., Vol. 26, No. 10, pp. 1509-1512.

Capitaine, N., 1997, Contribution to the "Introduction aux Ephémérides astronomiques, Supplément explicatif r la Connaissance des Temps" (chapters on reference systems, precession-nutation, rotation of the Earth and Universal time), Les Editions de Physique, Simon et al. (eds.)

Capitaine, N., 1998, "Overview, formulation and current situation for precession-nutation," in Highlights of Astronomy, J. Andersen (ed.), pp. 153-157.

Capitaine, N., 1998, "Formulation of precession and nutation for precise astrometric data," in Proceedings of the Journées 1997 Systèmes de Référence Spatio-Temporels (Prague, Sept. 1997), J. Vondrák and N. Capitaine (eds.), Observatoire de Paris, pp. 83-86.

Capitaine, N. and Brzezinski, A., 1999, "Definition and observation of the pole at a microarsecond accuracy," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 155-160.

Capitaine, N. and Guinot, B., 1997, "Systèmes de référence en astronomie," C.R. Acad. Sci. Paris, Vol. 324, Série IIb, pp. 725-738.

Capitaine, N. and Guinot, B., 1999, "A kinematically defined origin on the true equator: the non-rotating origin," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 25-26.

Capitaine, N., Guinot, B., and McCarthy, D. D., 1999, "The Celestial Ephemeris Origin and the definition of UT1 in the International Conventional reference Frame," submitted to Astron. Astrophys.

Celaya, M. A., Wahr, J. M., and Bryan, F. O., 1999, "Climate-driven polar motion," J. Geophys. Res., Vol. 104, No. B6, pp. 12813-12829.

Chao, B. F. and Zhou, Y. H., 1998, "Meteorological excitation of interannual polar motion by the North Atlantic Oscillation," J. Geodyn., Vol. 27, pp. 63-76.

Cheng, Z. and Xiao, N., 1997, "Determination of the love number K from the UT1 series," J. of Nanjing University, Vol. 33, No.2.

de Viron, O., Bizouard, C., Salstein, D., and Dehant V., 1999, "Atmospheric torque on the Earth rotation and comparison with atmospheric angular momentum variations," J. Geophys. Res., Vol. 104, No. 3, pp. 4861-4875.

Defraigne, P., 1997, "Geophysical model of the dynamical flattening of the Earth in agreement with the precession constant," Geophys. J. Int., Vol. 130, pp. 47-56.

Defraigne, P. and Smits, I., 1999, "Length of day variations due to zonal tides for an inelastic earth in non-hydrostatic equilibrium," Geophys. J. Int., Vol. 139, No. 2, pp. 563-572.

Dehant, V. and Defraigne, P., 1997, "New transfer functions for nutations of a nonrigid Earth," J. Geophys. Res., Vol. 102, No. B12, pp. 27659-27687.

Dehant, V., Feissel, M., Defraigne, P., Roosbeek, F., and Souchay, J., 1997, "Could the energy near the FCN and the FICN be explained by luni-solar or atmospheric forcing?" Geophys. J. Int., Vol. 130, pp. 535-546.

Dehant, V. and Capitaine, N., 1997, "On the luni-solar precession constant: Values and constraints on the dynamical ellipticity; link with Oppolzer terms and Tilt-over-Mode," Celest. Mech. and Dyn. Astron., Vol. 65, pp. 439-458.

Dickman, S. R., 1998, "Determination of oceanic dynamic barometer corrections to atmospheric excitation of Earth rotation," J. Geophys. Res.,Vol. 103, No. B7, pp. 15127-15143.

Dickman, S. R. and Nam, Young S., 1998, "Constraints on Q at long periods from Earth's rotation," Geophys. Res. Lett., Vol. 25, No. 2, pp. 211-214.

Dickey, J. O., Gegout, P. and Marcus, S. L., 1999, "Earth-Atmosphere Exchange and ENSO: The Rotational Signature of the 1997-1998 Event," Geophys. Res. Lett., Vol. 26, pp. 2477-2480.

Dong, X., Huang, C, et al., 1999, "Monitoring of 1997 El Niño from TOPEX/Poseidon," Chinese Science Bulletin, Vol. 44, pp. 320-323.

Dunn, P., Torrence, M., Kolenkiewicz, R. and Smith, D., 1999, "Earth Scale defined by Modern Satellite Ranging Observations," Geophys. Res. Lett., Vol. 26, No. 10, pp. 1489-1492.

Eubanks, T. M., Ray, J. R. and Luzum, B. J., 1998, "The atmospheric excitation of rapid polar motions," Eos Trans. American Geophysical Union, 79(17), S55.

Folgueira, M. and Sevilla, M. J., 1998, "A comparative analysis of different sets of canonical variables in the treatment of Earth's nutation," Proceedings of IV International Workshop on Positional Astronomy and Celestial Mechanics (Valencia, Spain), pp. 203-212.

Folgueira, M., Souchay, J. and Kinoshita, H., 1997/1998, "Effects on the nutation of the nonzonal harmonics of third degree," Celest. Mech. and Dyn. Astron., Vol. 69, No. 4, pp. 373-402.

Folgueira, M., Souchay, J. and Kinoshita, H., 1998, "Effects on the nutation of C_4,m and S_4,m harmonics," Celest. Mech. and Dyn. Astron., Vol. 70, No. 3, pp. 147-157.

Frede, V. and Mazzega, P., 1999, "Detectability of deterministic non-linear processes in Earth rotation time-series -- I. Embedding," Geophys. J. Int., Vol. 137, pp. 551-564.

Frede, V. and Mazzega, P., 1999, "Detectability of deterministic non-linear processes in Earth rotation time-series -- II. Dynamics," Geophys. J. Int., Vol. 137, pp. 565-579.

Furuya, M. and Hamano, Y., 1998, "Effect of the Pacific Ocean on the Earth's seasonal wobble inferred from the National Center for Environmental Prediction ocean analysis data," Geophys. J. Int., Vol. 103, No. B5, pp. 10131-10140.

Gambis, D., 1996, "Multi-technique EOP combinations," Proceedings of the 1996 IGS Analysis Center Workshop, Silver Spring, MD, P. Van Scoy and R. E. Neilan (eds.), JPL Publication 96-23.

Gao, B., 1997, "Astro-geodynamics theory," Science, in press.

Gao Bu-Xi, 1999, "The detection of the ellipticity and direction of the long axis of the Chandler wobble," to be published in Acta Astronomica Sinica,Vol. 40, No. 2, pp. 139-141.

Gegout, P., Hinderer, J., Legros, H., Greff, M., and Dehant, V., 1998, "Influence of atmospheric pressure on the Free Core Nutation, precession and some forced nutational motions of the Earth," Phys. of the Earth and Plan. Int., Vol. 106, pp. 337-351.

Gendt, G., Dick, G. and Soehne, W., 1998, "GFZ Analysis Center of IGS - Annual Report 1997," in IGS Annual Report 1997, Vol. 2, (in press).

Gendt, G., Dick, G., Soehne, W., Sommerfeld, W., Nischan, T., and Beeskow G, 1998, "Earth rotation parameters, station co-ordinates and velocities using GPS data," IERS Technical Notes, Paris (in press).

Gerasimov, J. A., Chasov, V. V., Rykhlova, L. V., and Tagaeva, D. A., 1999, "An Analytical Theory of Planets Motions Based on the Method of Successive Computation of Trigonometric Series," Astronomicheskii Zhurnal, Vol. 76, (in press).

Gerasimov, J. A. and Mushailov, B. R., 1999, "On the Tidal Force Potential in a Noninertial Coordinate System," Vestnik MGU, ser. 3, Phys. Astr., (in press).

Gerasimov, J. A., Mushailov, B. R. and Rykhlova, L. V., 1999, "Several Effects of Tidal Evolution in the Earth-Moon-Sun System," Astronomicheskii Zhurnal, Vol. 76, (in press).

Gerasimov, J. A., Rakitina, N. V., and Rykhlova, L. V., 1998, "Polar Motion for a Structural-inhomogenic Earth in the Earth-Moon-Sun System," Vestnik MGU, ser. 3, Phys. Astr., No. 6, pp. 60-61.

Gipson, J. and Ma, C., 1998, "Site displacement due to variation in Earth rotation," J. Geophys. Res., Vol. 103, No. B4, pp. 7337-7350.

Greff-Lefftz, M. and Legros, H., 1999, "Correlation between some major geological events and resonances between the free core nutation and luni-solar tidal waves," Geophys. J. Int., Vol. 139, No. 1, pp. 131-151.

Greiner-Mai, H., 1997, "Possible relations between the rotational axis of the inner Earth's core and the magnetic dipole axis," Astron. Nachr., Vol. 318, pp. 63-741.

Greiner-Mai, H. and Jochmann, H., 1998, "Correction to 'Climate variations and the Earth's rotation'," J. Geodyn., Vol. 25, pp. 1-4.

Greiner-Mai, H., Jochmann, H. and Barthelmes, F., 1998, "About the influence of a possible relative rotation of the Earth's inner core on the polar motion, the geomagnetic field and the gravity field," Scientific Technical Report STR 98/06, GFZ Potsdam, 15 pp.

Greiner-Mai, H., Jochmann, H. and Barthelmes, F., 1998, "About the influence of a possible relative rotation of the inner core on the polar motion, the geomagnetic field, and the gravity field," submitted to Geophys. J. Int.

Greiner-Mai, H., Jochmann, H., and Barthelmes, F., 1998, "Modellierung des Einflusses einer hypothetischen Innenkernbewegung auf die Polbewegung, das Erdmagnetfeld und das Gravitationsfeld," DGK-Sonderheft.

Gross, R. S., Chao, B. F., and Desai, S. D., 1998, "Effect of Long- Period Ocean Tides on the Earth's Polar Motion," Progress in Oceanography Vol. 40, No. 1-4, pp. 385-397.

Gross, R. S., Eubanks, T. M., Steppe, J. A., Freedman, A. P., Dickey, J. O., and Runge, T. F., 1998, "A Kalman filter-based approach to combining independent Earth orientation series," J. Geod., Vol. 72, pp. 215-235.

Gross, R. S., 1999, "Combinations of Earth Orientation Measurements: SPACE98, COMB98, and POLE98," JPL Publication 99-6, 18 pp.

Gross, R. S. and Vondrák, J., 1999, "Astrometric and space-geodetic observations of polar wander," Geophys. Res. Lett., Vol. 26, No. 14, pp. 2085-2088.

Groten, E. and Molodensky, S. M., 1999, "On the mechanism of the secular tidal acceleration of the solid inner core and the viscosity of the liquid core," Studia Geophysica et Geodaetica, Vol. 43, pp. 20-34.

Gu, Z., 1996, "The study of excitation of the earthquake to Earth's rotation," Earth, Moon and Planets, Vol. 74, pp. 35-47.

Gu, Z., 1997, "Earthquake excitation study of the polar motion," Acta Astronomica Sinica, Vol. 38, No. 1, pp. 97-104.

Gu, Z., 1997, "Analyses on the variation of the Earth's rotation rate induced by the earthquake," Publications of the Yunnan Observatory No. 2.

Gu, Z., 1998, "An Interpretation of the non-tidal secular variation in the Earth rotation: The interaction between the solar wind and the Earth's magnetosphere," Astrophysics and Space Science, Vol. 259, pp. 427-432.

Gu, Z., 1999, "Relation between seismicity and El Niño event," Annals of Shanghai Observatory, Academis Sinica, No. 20.

Gu, Z. and Wang G., 1997, "Analyses on the transfer changes between the atmospheric excitation and the polar motion," Publications of the Yunnan Observatory, No. 2.

Han, Y., 1997, "The secular variations of Earth rotation derived from ancient astronomical observations," Publications of the Beijing Astronomical Observatory, No. 31, pp. 66-70

Hartmann, T., Soffel, M., and Ron, C., 1999, "The geophysical approach towards the nutation of a rigid Earth," Astron. Astrophys. Suppl. Ser., Vol. 134, pp. 271-286.

Hide, R., 1998, "Magnetostatic and electrostatic torques within a planet," Geophys. J. Int., Vol. 135, No. 3, pp. 1150-1152.

Holme, R., 1998, "Electromagnetic core-mantle coupling -- I. Explaining decadal changes in the length of day," Geophys. J. Int., Vol. 132, pp. 167-180.

Höpfner, J., 1996, "Polar motion at seasonal frequencies," J. Geodyn., Vol. 22, pp. 51-61.

Höpfner, J., 1996, "Seasonal oscillations in length of day," Astron. Nachr., Vol. 317, pp. 273-280.

Höpfner, J., 1997, "Seasonal variations in Length-Of-Day and Atmospheric-Angular-Momentum," Scientific Technical Report STR 97/08, GFZ Potsdam, 52 pp.

Höpfner, J., 1997, "Saisonale Schwankungen in Tageslänge und atmosphärischem Drehimpuls," Technical Reports. Department of Geodesy, Stuttgart University, Nr. 1997.1, 9.

Höpfner, J., 1998, "Seasonal Length-Of-Day changes and axial Atmospheric-Angular-Momentum oscillations in their temporal variability," Scientific Technical Report STR 98/10, GFZ Potsdam, 51 pp.

Höpfner, J., 1998, "Seasonal variations in Length-Of-Day and Atmospheric-Angular-Momentum," Geophys. J. Int., Vol. 135, pp. 407-437.

Höpfner, J., 1998, "Variationen in der Tageslänge und dem atmosphärischen Drehimpuls im Zeitbereich von einigen Jahren," in Progress in Geodetic Science at GW 98, W. Freeden (ed.), Shaker Verlag, Aachen, pp. 106-113.

Höpfner, J., 1999, "Interannual variations in Length-Of-Day and Axial Atmospheric Angular Momentum with Respect to ENSO Cycles," Scientific Technical Report STR 99/07, GFZ Potsdam, 20 pp.

Höpfner, J., 1999, "Interannual variations in Length-Of-Day and Axial Atmospheric Angular Momentum with Respect to ENSO Cycles," Geophys. J. Int., in press.

Höpfner, J., 1999, "Seasonal Length-Of-Day changes and axial Atmospheric-Angular-Momentum oscillations in their temporal variability," J. Geod., in press.

Höpfner, J., 1999, "On the Contribution of the Geodetic Institute Potsdam to the International Latitude Service," Scientific Technical Report STR 99/08, GFZ Potsdam, 30 pp.

Huang, C. L., Ducarme, B., and Jin, W. J., 1998, "On the possibility of detecting the signal of Earth rotation with gravimetry," Bulletin D' Informations Marees Terrestres, Vol. 129, pp. 9974-9981.

Huang, C. L., Jin, W. J., and Xu, H. G., 1999, "The terrestrial and lunar reference frame in lunar laser ranging," J. Geod., Vol. 73, pp. 125-129.

Iskenderian, H. and Salstein, D. A., 1998, "Regional Sources of Mountain Torque Variability and High-Frequency Fluctuations in Atmospheric Angular Momentum," Mon. Wea. Rev, Vol. 126, pp. 1681-1694.

Jochmann, H. and Greiner-Mai, H., 1996, "Climate variations and the Earth's rotation," J. Geodyn., Vol. 21, pp. 161-176.

Jochmann, H., 1998, "Climate cycles in polar motion," Paper presented at the IERS Worshop Potsdam, 1998.

Jochmann, H., 1999, "The influence of continental water storage on the annual wobble of polar motion, estimated by inverse solution," J. Geodyn., Vol. 27, pp. 147-160.

Jochmann, H., 1999, Die Verwendung zeitlicher Variationen von Erdrotation und Schwerefeld zur Identifikation geophysikalischer Prozesse mittels inverser Aufgabenstellung, DGK-Reihe 1999 (in print).

Johnson, T. J., Wilson, C. R., and Chao, B. F., 1999, "Oceanic angular momentum variability estimated from the Parallel Ocean Climate Model, 1988-1998," J. Geophys. Res., Vol. 104, No. B11, pp. 25183-25195.

Johnston, P. and Lambeck, K., 1999, "Postglacial rebound and sea level contributions to changes in the geoid and the Earth's rotation axis," Geophys. J. Int., Vol. 136, pp. 537-558.

Kakuta, C., Tsubokawa, T., and Iwadate, K., 2000, "Coupling of long oceanic waves in the Pacific Ocean and the rotating elastic Earth during the 1986-1987 El Niño," J. Geophys. Res., Vol. 105, No. B2, pp. 3089-3094.

Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G., Woollen, J., Zhu, Y., Chelliah, M., Ebisuzaki, W., Higgins, W., Janowiak, J., Mo, K. C., Ropelewski, C., Wang, J., Leetmaa, A., Reynolds, R., Jenne, R., and Joseph, D., 1996, "The NCEP/NCAR 40-year Reanalysis Project," Bull. Amer. Met. Soc., Vol. 77, No. 3, pp. 437-471.

Kolaczek, B., Nuzhdina, M., Nastula, J., Kosek, W., 2000, "El Niño impact on atmospheric polar motion excitation," J. Geophys. Res., Vol. 105, No. B2, pp. 3081-3087.

Korsun, A. A., Kurbasova, G., and Vondrák, J., 1998, "New analysis of Earth orientation parameters in Hipparcos Catalogue (1900-1992)," in Proceedings of the Journées 1997 Systèmes de Référence Spatio-Temporels, Vondrák, J., Capitaine, N. (eds.), Astron. Inst. Prague and Observatoire de Paris, 176.

Kosek, W., 1997, "Autocovariance Prediction of Short Period Earth Rotation Parameters," Art. Sat., Vol. 32, No. 2, pp. 75-86.

Kosek, W. and Kolaczek, B., 1997, "Semi-Chandler and semiannual oscillations of polar motion," Geophys. Res. Lett., Vol. 24, No. 17, pp. 2235-2238.

Kosek, W., Kotreleva, O., and Kolaczek, B., "Time Variable Spectra of Free Core Nutation," presented at the XXIII EGS General Assembly, April 20-24, 1998, Nice, France.

Kosek, W., McCarthy, D. D., and Luzum, B. J., 1998, "Possible improvement of Earth orientation forecast using autocovariance prediction procedures," J. Geod., 72, pp. 189-199.

Kouba, J. and Mireault, Y., 1997, "Analysis Coordinator Report," in International GPS Service 1996 Annual Report, J. F. Zumberge, D. E. Fulton, and R. E. Neilan (eds.), Jet Propulsion Laboratory, Pasadena, California, 55-100.

Kouba, J., Ray, J., and Watkins, M. M., 1998, "IGS reference frame realization," in Proceedings of the 1998 IGS Analysis Center Workshop, J. M. Dow, J. Kouba, and T. Springer (eds.), European Space Operations Centre, Darmstadt, Germany, pp. 139-171.

Kovalevsky, J., Lindegren, L., Perryman, M .A. C., Hemenway, P. D., Johnston, K. J., Kislyuk, V. S., Lestrade, J. F., Morrison, L. V., Platais, I., Roeser, S., Schilbach, E., Tucholke, H.-J., De Vegt, C., Vondrák, J., Arias F., Gontier, A.-M., Arenou, F., Brosche, P., Florkowski, D. R., Garrington, S. T., Preston, R. A., Ron, C., Rybka, S. P., Scholz, R.-D., Zacharias, N., 1997, "The Hipparcos Catalogue as a realisation of the extragalactic reference system," Astron. Astrophys., Vol. 323, pp. 620-633.

Kudryatsev, S. M., 1999, "On calculating the Earth's C₂₁ and S₂₁ gravity coefficients in the IERS terrestrial reference frame," J. Geodesy, 73, pp 448-451.

Kurbasova, G. S., Korsun, A. A., Rykhlova, L. V., Rybalova, M. N., and Shlikar, G. N., 1997, "Statistical Corrections Between 10-Year Variations of Annual Mean Geodynamical, Geophysical and Heliophysical Data," Astronomicheskii Zhurnal, Vol. 74, pp. 139-145.

Kurbasova, G. S., Korsun, A. A., Rykhlova, L. V., Rybalova, M. N., and Shlikar, G. N., 1997, "A Comparision of Low-frequency Variations in Two Data Series on the Coordinates of the Earth's Pole," Astronomicheskii Zhurnal, Vol. 74, pp. 786-791.

Kurbasova, G. S. and Rykhlova, L. V. 1998, "Identification of the Regime of the Polar Motion Using Coordinate Data for 1900 - 1990," Astronomy Reports, Vol. 42, pp. 558-568.

Kurbasova, G. S., Rykhlova, L. V., and Shlikar, G. N., 1996, "Coupled Oscillations in an Exponential Model of the Earth's Polar Motion," Astronomicheskii Zhurnal, Vol. 73, pp. 153-160.

Li, J. and Wang, G., 1998, "Corrections to the IAU 1976 precession constant and the coefficients of the IAU 1980 nutation series from VLBI observations," Chinese Science Bulletin, Vol. 43, No. 12.

Li, J. and Zheng, D., 1997, "Possible temporal variations of the free core nutation and forced nutations," Geodesy on the Move, Gravity, Geoid, Geodynamics, and Antarctica, IAG Scientific Assembly, Rio de Janeiro.

Liao, D. C. and Greiner-Mai, H., 1999, "A new $\Delta$ LOD series in monthly intervals (1892.0-1997.0) and its comparison with other geophysical results," J. Geod. (accepted).

Lilin Xie and Dickman, S. R., 1996, "Tide gauge data analysis of the pole tide in the North Sea," Geophys. J. Int., Vol. 126, pp. 863-870.

Liu, H.-S., 1999, "Insolation changes caused by combination of amplitude and frequency modulation of the obliquity," J. Geophys. Res., Vol. 104, No. B11, pp. 25197-25206.

Loyer, S., Hinderer, J., and Boy, J.-P., 1999, "Determination of the gravimetric factor at the Chandler period from Earth orientation data and superconducting gravimetry observations," Geophys. J. Int., Vol. 136, pp. 1-7.

Ma, C., Arias, E. F., Eubanks, T. M., Fey, A. L., Gontier, A.-M., Jacobs, C. S., Sovers, O. J., Archinal, B. A., and Charlot, P., 1998, "The International Celestial Reference Frame as Realized by Very Long Baseline Interferometry," Astron. J., Vol. 116, pp. 516-546.

Marcus, S. L., Chao, Y., Dickey, J. O., and Gegout, P., 1998, "Detection and Modeling of Nontidal Oceanic Effects on Earth's Rotation Rate," Science, Vol. 281, pp. 1656-1659.

Markov, Yu. G., Rykhlova, L. V., and Skorobogatykh, Y. V., 1999, "Orbital-Rotational Motion as a New Approach to the Solution of Astrometric Problems and to the Theory of Earth Rotation," Doklady Akademii Nauk, Moscow (in press).

Martin Mur, T. J., Springer, T., and Bar-Sever, Y., 1998, "Orbit predictions and rapid products," in Proceedings of the 1998 IGS Analysis Center Workshop, J. M. Dow, J. Kouba, and T. Springer (eds.), European Space Operations Centre, Darmstadt, Germany, pp. 73-88.

Mathews, P. M., Dehant, V., and Gipson, J. M., 1997, "Tidal Station Displacement," J. Geophys. Res., Vol. 102, No. B9, pp. 20469-20477.

Mendes, V. de B., 1999, "Modeling the Neutral-Atmosphere Propagation Delay in Radiometric Space Techniques," University of New Brunswick Technical Report, No. 199, 353 pp.

Milne, G. A. and Mitrovica, J. X., 1998, "Postglacial sea-level change on a rotating Earth," Geophys. J. Int., Vol. 133, pp. 1-19.

Mireault, Y., Kouba, J., and Ray, J., 1999, "IGS Earth rotation parameters," GPS Solutions, Vol. 3(1), pp. 59-72,

Mitrovica, J. X. and Milne, G. A., 1998, "Glaciation-induced perturbations in the Earth's rotation: A new appraisal," J. Geophys. Res., Vol. 103, No. B1, pp. 985-1005.

Molodensky, S. M. and Groten, E., 1997, "On atmospheric excitation of out-of-phase nutational components," Astron. Astrophys., Vol. 327, pp. 800-812.

Molodensky, S. M. and Groten, E., 1997, "What is the effect of topographic core-mantle coupling at different frequencies of Earth rotation?," Proceedings of the Systèmes de Référence Spatio-Temporels, Paris, pp. 24-25.

Molodensky, S. M. and Groten, E, 1998, "Second order effects in the theory of the Earth's nutation with an inhomogeneous liquid core," Proceedings of the Thirteenth Intern. Symp. on Earth Tides, Brussels, pp. 265-275.

Molodensky, S. M. and Groten, E., 1998, "On the dynamical effects of an inhomogeneous liquid core in the theory of nutation," J. Geod., Vol. 72, pp. 385-403.

Molodensky, S. M. and Groten, E., 1998, "On the dynamical effects of a heterogeneous and compressible liquid core in the theory of Chandler wobble," Geophys. J. Int., Vol. 135, No. 3, pp. 723-726.

Molodensky, S. M. and Groten, E., 1999, "On the dynamical effects of the mantle in the thory of nutations," Studia geoph. et geod., Vol. 43, pp. 129-146.

Morrison, L. V. and Stephenson, F. R., 1997, "Contemporary geophysics from Babylonian clay tablets," Contemporary Physics, Vol. 38, No. 1, pp. 13-23.

Morrison, L. V. and Stephenson, F. R., 1998, "The Sands of Time and the Earth's Rotation," Astronomy & Geophysics, Vol. 39, Issue 5, pp. 8-13.

Mound, J. E., Mitrovica, J. X., Evans, D. A. D., and Kirschvink, J. L., 1999, "A sea-level test for inertial interchange true polar wander events," Geophys. J. Int., Vol. 136, pp. F5-F10.

Nastula, J., Kotreleva ,O., Kolaczek, B., and Kosek, W., 1998, "Time frequency characteristics of the pressure term of the EAAM excitation," IAG Symposia Vol. 119, Geodesy on the move, Springer Verlag, pp. 339-344.

Nastula, J. and Manabe, S., 1997, "Influence of shallow seas on the pressure terms of the EAAM function," Preprint No 34, Space Research Centre PAS, Warsaw, Poland.

Nastula, J. and Kotreleva, O., 1998, "Time frequency analysis of the EAAM excitation Function in some geographic regions," Report No. 35, Space Research Centre PAS, Warsaw, Poland.

Nastula, J. and Ponte, R. M., 1999, "Further evidence for oceanic excitation of polar motion," Geophys. J. Int., Vol. 139, No. 1, pp. 123-130.

Nastula, J. and Salstein, D., 1998, "Regional Atmospheric Angular Momentum Contributions to Polar Motion Excitation," IAG Symposia 119; Geodesy on the Move, Gravity, Springer-Verlag, pp. 333-338.

Nastula, J. and Salstein, D., 1998, "Regional atmospheric angular momentum contributions to polar motion excitation," Report No. 36, Space Research Centre PAS, Warsaw, Poland.

Nastula, J. and Salstein, D., 1999, "Regional atmospheric angular momentum contributions to polar motion excitation," J. Geophys. Res., Vol. 104, No. B4, pp. 7347-7358.

Pan, C., 1999, "Angular momentum perturbation, polar motion excitation and axial near-symmetry," Geophys. J. Int., Vol. 137, pp. 139-148.

Peng, B., 1998, Applications of SLR data on geodynamics, Ph. D. Thesis, Institute of Geodesy and Geophysics, Chinese Academy of Sciences.

Pesek, I. and Ron, C., 1998, "Comparison of proper motions of the Hipparcos catalogue with the optical astrometry in 1900-1992," In Proceedings of the Journées 1997 Systèmes de Référence Spatio-Temporels, Vondrák, J. and Capitaine, N. (eds.), Astron. Inst. Prague and Observatoire de Paris, 178.

Petrov, S. and Brzezinski, A., 1996, "On the contribution of the atmospheric normal modes to the polar motion excitation," Modern Problems and Methods of Astrometry and Geodynamics, 23 - 28 September 1996, St. Petersburg, pp. 308-313.

Petrov S., Brzezinski, A., and Bizouard, C., 1998, "Stochastic modelisation of quasi-diurnal changes in Earth rotation," Compt. Rend. of the Institut of Applied Astronomy, St Petersburg, Russian Academy of Sciences (in Russian).

Petrov, S., 1998, Modeling geophysical excitation of Earth rotation: stochastic and nonlinear approaches. Ph.D. Thesis, Polish Academy of Sciences, Space Res. Centre, Warsaw, Poland, 121 pages.

Petrov, S., Brzezinski, A., and Bizouard, C., 1997, "Time domain comparison of the VLBI nutation series and observed changes of the atmospheric angular momentum," in Proceedings of the Journées 1997 Systèmes de Référence Spatio-Temporels, Astronomical Institute, Academy of Sciences of the Czech R., 107.

Petrov, S., Brzezinski, A., and Bizouard, C., 1998, "Time domain comparison of the VLBI nutation series and observed changes of the atmospheric angular momentum", in Proceedings of the Journées 1997 Systèmes de Référence (Prague, Sept. 1997), J. Vondrák and N. Capitaine (eds.), Observatoire de Paris, 107.

Petrov, S., Brzezinski, A., and Bizouard, C., 1998, "Diurnal and semidiurnal variations of the atmospheric angular momentum and Earth orientation parameters," Trudy IPA RAN, wyp.3 „Astrometria i geodinamika", St. Petersburg, 24 - 35, in Russian.

Petrov, S., Brzezinski, A., and Nastula, J. 1998, "First estimation of the non-tidal oceanic effect on nutation," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels, (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 136-141.

Ponte, R. M., Stammer, D., and Marshall, J, 1998, "Oceanic signals in observed motions of the Earth's pole of rotation," Nature, Vol. 391, pp. 476-479.

Ray, J., 1996, "GPS measurement of length-of-day: Comparisons with VLBI and consequences for UT1," in 1996 IGS Analysis Center Workshop Proceedings, R. E. Neilan, P. A. Van Scoy, and J. F. Zumberge (eds.), Jet Propulsion Laboratory, Pasadena, California, pp. 43-60.

Ray, J. and Luzum, B., 1998, "Improved polar motion predictions, IGS Electronic Mail #1816, http://igscb.jpl.nasa.gov/igscb/mail/igsmail/igsmess.1816, 27 Feb. 1998.

Ray, R. D, Bills, B. G., and Chao, B. F., 1999, "Lunar and solar torques on the oceanic tide," J. Geophys. Res., Vol. 104, No. B8, pp. 17653-17659.

Reigber, C., Luehr, H., Kang, Z., and Schwintzer, P., 1997, "The CHAMP mission and its role in observing temporal variations of the geopotential field," Supplement to EOS Transactions of the American Geophysical Union, Vol. 78, F163.

Roosbeek, F., 1998, "Potential de marees, nutations et precession d'une Terre rigide," Ph.D. Dissertation, Universite Catholique de Louvain.

Roosbeek, F., Defraigne, P., Feissel, M., and Dehant, V., 1999, "The free core nutation period stays between 431 and 434 sidereal days," Geophys. Res. Lett., Vol. 26, No. 1, pp. 131-134.

Roosbeek, F. and Dehant, V., 1998, "RDAN97: An Analytical Development of Rigid Earth Nutation Series Using the Torque Approach," Celest. Mech. and Dyn. Astron., Vol. 70, pp. 215-253.

Rothacher, M., Beutler, G., Herring, T., and Weber, R., 1999, "Estimation of nutation using the Global Positioning System," J. Geophys. Res., Vol. 104, No. B3, pp. 4835-4859.

Salstein, D. A. and Rosen, R. D., 1997, "Global momentum and energy signals from reanalysis systems," 7th Conference on Global Climate Variations, American Meteorological Society, pp. 344-348.

Sazhin, M. V., Zharov, V. E., Volynkin, A. V., and Kalinina, T. A., 1998, "Microarcsecond Instability of the Celestial Reference Frame," Mon. Not. R. Astron. Soc., Vol. 300, pp. 287-291.

Schastok, J., 1997, "A new nutation series for a more realistic model earth," Geophys. J. Int., Vol. 130, pp. 137-150.

Scherneck, H.-G. and Haas, R., 1999, "Effect of horizontal displacements due to ocean tide loading on the determination of polar motion and UT1," Geophys. Res. Lett., Vol. 26, No. 4, pp. 501-504.

Schwintzer, P., Reigber, C., Bode, A., Kang, Z., Zhu, S. Y., Massmann, F.-H., Raimondo, J. C., Biancale, R., Balmino, G., Lemoine, J. M., Moynot, B., Marty, J. C., Barlier, F., Boudon, Y., 1997, "Long-wavelength global gravity field models: GRIM4-S4, GRIM4-C4," J. Geod., Vol. 71, pp. 189-208.

Sidorenkov, N. S., 1997, "The Effect of El-Niño Oscillation on the Exitation of the Chandler Motion of the Earth Pole," Astronomicheskii Zhurnal, Vol. 74, N5, pp. 792-795.

Sidorenkov, N. S., 1999, "Chandler Motion of The Pole as a Part of Nutation of the Earth-Ocean-Atmosphere System," Astronomicheskii Zhurnal, in press.

Soldati, G. and Spada, G., 1999, "Large earthquakes and Earth rotation: the role of mantle relaxation," Geophys. Res. Lett., Vol. 26, No. 7, pp. 911-914.

Souchay, J. and Kinoshita, H., 1998, "The theory of the nutation for a rigid Earth model: current state of the situation," in Highlights of Astronomy, J. Andersen (ed.), pp. 161-165.

Souchay, J., 1998, "Comparisons of the REN-2000 tables with numerical integration and other recent analytic tables," Astron. J., Vol. 116, pp. 503-515.

Souchay, J., Loysel, B., Kinoshita, H., and Folgueira, M., 1999, "Corrections and new developments in rigid earth nutation theory," Astron. Astrophys. Suppl. Ser., Vol. 135, pp. 111-131.

Sovers, O. J., Fanselow, J. L., and Jacobs, C. S., 1998, "Astrometry and geodesy with radio interferometry: experiments, models, results," Rev. Mod. Phys., Vol. 70, No. 4, pp. 1393-1454.

Stephenson, F. R., 1997, Historical Eclipses and Earth's Rotation, Cambridge University Press, Cambridge.

Stieglitz, T. C. and Dickman, S. R., 1999, "Refined correlations between atmospheric and rapid polar motion excitations," Geophys. J. Int., Vol. 139, No. 1, pp. 115-122.

Szeto, A. M. K. and Xu, S., 1997, "Gravitational coupling in a triaxial ellipsoidal Earth," J. Geophys. Res., Vol. 102, No. B12, pp. 27651-27657.

Tapley, B. D., 1997, "The gravity recovery and climate experiment (GRACE)," Supplement to EOS Transactions of the American Geophysical Union, Vol. 78, No. 46, p. F163.

Vermeersen, L. L. A., Fournier, A., and Sabadini, R., 1997, "Changes in rotation induced by Pleistocene ice masses with stratified analytical Earth models," J. Geophys. Res., Vol. 102, No. B12, pp. 27689-27702.

Vicente, R. O., 1998, "On the Precision of Celestial and Terrestrial Reference Systems," Proc. 4th Int. Wokshop Positional Astronomy and Celestial Mechanics, A. L. Garcia, L. I. Yagudin et al., (eds.), Obs. Astron. Univ. Valencia, Valencia, pp. 273-280.

Vicente, R. O. and Wilson, C. R, 1997, "On the Variability of the Chandler frequency," J. Geophys. Res., Vol. 102, pp. 20,439-20,445.

Vondrák, J., 1996, "Indirect linking of Hipparcos catalog to extragalactic reference frame via Earth orientation parameters," in Dynamics, ephemerides and astrometry of the solar system. Proc. IAU Symposium 172, Ferraz-Mello S., Morando B., and Arlot J.-E. (eds.), Kluwer, pp. 491-496.

Vondr´ak, J., Ron, C., Pesek, I., and Cepek, A., 1996, "Linking the Hipparcos catalog H37 to extragalactic reference frame via Earth orientation parameters," Paper presented at the Hipparcos Science Team WG Workshop, Paris.

Vondrák, J., and Ron, C., 1997, "Analysis of Universal time as determined by optical astrometry (1956-1992)," in Proceedings of the Journées 1996 Systèmes de Référence spatio-temporels, Capitaine, N. (ed.), Paris, pp. 116-121.

Vondrák, J. and Ron, C., 1997, "Long-periodic nutation terms as determined by optical astrometry in 1899.7-1992.0," Abstract Book, 23rd IAU GA, Kyoto, 20.

Vondrák, J. and Ron, C., 1997, "The orientation of the Hipparcos celestial system with respect to ICRS as induced from the Earth orientation parameters," Abstract Book, 23rd IAU GA, Kyoto, 38.

Vondrák, J. and Ron, C., Pesek, I., 1997, "Earth rotation in the Hipparcos reference frame," Cel. Mech. and Dynam. Astron., Vol. 66, pp. 115-122.

Vondrák, J., Ron, C., and Pesek, I., 1997, "Earth rotation in the Hipparcos reference frame," in Dynamics and astrometry of natural and artificial celestial bodies, Proc. IAU Coll. 165, Wytrzyszczak, I., Lieske, J., and Feldman, R. A. (eds.), Kluwer, pp. 115-122.

Vondrák, J., Ron, C., and Pesek, I., 1997, "Using the Earth orientation parameters to link the Hipparcos and VLBI reference frames," Astron. Astrophys., Vol. 319, pp. 1020-1024.

Vondrák, J., Ron, C., Pesek, I., and Cepek, A., 1997, "Hipparcos Catalogue: A reference frame for Earth orientation in 1899.7-1992.0," in Proc. ESA Symp. Hipparcos Venice '97, ESA SP-402, pp. 95-100.

Vondrák, J., Ron, C., Pesek, I., and Cepek, A., 1997, "Earth orientation parameters 1899.7-1992.0 in the Hipparcos reference frame," Abstract Book, 23rd IAU GA, Kyoto, 68.

Vondrák, J., 1998, "International celestial reference frame and Earth orientation parameters," presented at seminars held at Astronomical Observatories Shanghai, Purple Mountain and Yunnan.

Vondrák, J., 1998, "Earth orientation parameters and astronomical reference frames," Wiss. Z. TU Dresden, Vol. 47, H3, pp. 98-103.

Vondrák, J., 1998, "Long series of Earth rotation parameters after re-analysis within the Hipparcos frame (abstract)," Annales Geophys. Suppl. I to Vol. 16, C391.

Vondrák, J., 1998, "Contribution to the problem of combining EOP as obtained by different techniques," paper presented at IERS Workshop, Potsdam.

Vondrák, J., 1998, "Astronomical reference frame, Hipparcos and Earth orientation," invited paper presented at Contemporary Mathematics, Belgrade.

Vondrák, J., Pesek, I., Ron, C., and Cepek, A., 1998, "Earth orientation parameters 1899.7-1992.0 in the ICRS based on the HIPPARCOS reference frame," Publ. Astron. Inst. Acad. Sci. Czech R., Vol. 87, pp. 1-56.

Vondrák, J., Ron, C., Pesek, I., and Cepek, A., 1998, "Solution of Earth orientation parameters in the Hipparcos reference frame," in Proceedings of the Journées 1997 Systèmes de Référence Spatio-Temporels, Vondrák, J. and Capitaine, N. (eds.), Astron. Inst. Prague and Observatoire de Paris, pp. 118-121.

Vondrák, J., 1999, "Secular and long-periodic polar motion as derived from combination of astrometric and space geodetic observations," in Proceedings of the Journées 1998 Systèmes de Référence Spatio-Temporels, (Paris, Sept. 1998), N. Capitaine (ed.), Observatoire de Paris, pp. 195-201.

Vondrák, J., 1999, "Earth Rotation Parameters 1899.7-1992.0 after Reanalysis within the Hipparcos Frame," Surv. Geophys., Vol. 20, pp. 165-195.

Wang, B., Gu, Z., 1999, "On analysis of polar coordinates variation 1899.7-1992.0," Annals of Shanghai Observatory, Academis Sinica, No. 20.

Wang, W., 1998, "A nonlinear dynamical mechanism of polar motion," Acta Astronomica Sinica, Vol. 39, No. 3., pp. 287-297.

Wang, W., 1999, "Nonlinear bifurcation dissipation of the chandler wobble," Acta Astronomica Sinica, Vol. 40, pp. 101-106.

Wu, B., Peng, B., and Xu, H., 1998, "Determination of long term variations on low degree geopotential field coefficients," Annual of Chinese Geophysical Association, 382.

Wu, B., Peng, B., and Xu, H., 1999, "Determination of geocenter variation," Chinese Science Bulletin, Vol. 44, No. 10.

Wu, B., Peng, B., and Zhong, M., 1998, "Decade variations of length of day," Annual of Chinese Geophysical Association, 383.

Wu, B., Peng, B., and Zhu, Y., 1997, "Determination of the Earth's body tide Love number and phase lag by space geodesy," in Proceedings of International Symposium on Current Crustal Movement and Hazard Reduction: In east Asia and southeast Asia, Seismological Press, pp. 392-395.

Wu, B., Zhu, Y., and Peng, B., 1999, "Determination of solid Earth tide phase lag by satellite observation data," Chinese Science Bulletin, Vol. 44, pp. 459-461.

Wu, H. Q. and Zheng, D. W., 1997, "Preprocessing of TOPEX/POSEIDON altimeter data," Annals of Shanghai Observatory, Academia Sinica, Vol. 18, pp. 4-12.

Wünsch, J., 1997, "Ocean tides and Earth rotation," in Tidal Phenomena, H. Wilhelm, W. Zürn, H.-G. Wenzel (eds.), Lecture Notes in Earth Sciences, Vol. 66, Springer-Verlag, Berlin, pp. 173-181.

Xia, Y., Xiao, N., and Cheng, Z., 1997, "Nutation series calculated with a Hamiltonian method for an elastic Earth," Acta Astromonica Sinica, Vol. 38, No. 4, pp. 359-369.

Xiao, N., Xia, Y., and Cheng, Z., 1997, "Periodic variations of the Earth rotation calculated with the PREM parameters," Acta Astronomica Sinica, Vol. 38, No. 4, pp. 370-378.

Xiao, N., Xia, Y., and Cheng, Z., 1998, "Calculation of the tidal variations of the viscous elastic Earth's rotation with the Hamiltonian method," Acta Astronomica Sinica, Vol. 39, No. 2, pp. 131-140.

Xu, S. and Szeto, A. M. K., 1998, "The coupled rotation of the inner core," Geophys. J. Int., Vol. 133, pp. 279-297.

Yan, H., 1999, "The inverted barometer response and its affection to the Earth rotation," Master Thesis, Institute of Geodesy and Geophysics, Chinese Academy of Sciences.

Yang, F., et al., 1998, "Status and plans of Chinese SLR network," in Proceedings of 11th International Workshop on Laser Ranging, Germany, Sept., 1998.

Yang, F., et al., 1999, "Design and observations of the satellite laser ranging system for daylight tracking at Shanghai Observatory," Science China, Series A, Vol. 42, No. 2.

Yang, Z., 1999, "Secular drift of the Earth's pole and the post-glacial rebound," Annals of Shanghai Observatory, Academis Sinica, No. 20.

Yang, Z., Manabe, S., Yokoyama, K., and Kawano, N., 1998, "Estimation of mean lower mantle viscosity by using the results of space geodetic techniques," Acta Astronomica Sinica, Vol. 39, No. 3, pp. 298-307.

Yu, N. H. and Zheng D. W., 1998, "Oceanic angular momentum and its excitation to the Earth rotation variations," Progress in Astronomy, Vol. 16, pp. 35-40.

Yu, N. H., Zheng, D. W., and Wu, H. Q., 1998, "Contribution of new AAM data source change to LOD excitation," J. Geod., accepted.

Zhao, Y., Fan, C., et al., 1998, "The upgrade of Changchun SLR," in Proceedings of 11th International Workshop on Laser Ranging, Germany, Sept. 1998.

Zharov, V. E., 1997, "Nutation of the Earth and Atmospheric Tides," Proceedings of the Journées 1997 Systèmes de référence, J. Vondrák and N. Capitaine (eds.), Prague, pp. 87-90.

Zharov, V. E., Sazhin, M. V., and Chujkova, N. A., 1999, "Effects of Instability of the Terestrial and Slestial Reference Frames on the Earth orientation parameters," Russian Astron. Journal, accepted.

Zharov, V. E., Sazhin, M. V., and Kalinina, T .A., 1998, "Week Gravitational Lensing and Instability of the Celestial Reference Frame," Proc. Int. Symp. IAG, Section II, "Towards an Integrated Global Geodetic Observing System (IGGOS)", Munich.

Zheng, D. W. and Wu, H. Q., 1997, "Correction of TOPEX altimeter data error and its preliminary results in application, Chinese Science Bulletin, Vol. 42, pp. 1451-1455.

Zheng, D. W., Zhou, Y. H., and Chao, B. F., 1997, "Variations in NAO and polar motion on decadal time scale," Acta Astronomica Sinica, Vol. 38, No. 2, pp. 204-208.

Zhong, M. and Gao B., 1998, "LOD variation in intraseasonal scale connected with ENSO," Acta Astronomica Sinica, Vol. 39, pp. 52-60.

Zhong, M., Zhu, Y., Gao, B., 1997, "Correlation of intraseasonal length of day amplitude modulation with ENSO," in Proceeding of International Symposium on Current Crustal Movement and Hazard Reduction: In east Asia and southeast Asia, Seismological Press, pp. 342-345.

Zhong, M., Zhu, Y., and Gao, B., 1999, "Correlation of intraseasonal length of day amplitude modulation with ENSO," Acta Astro. Sinica, Vol. 40, pp. 101-106.

Zhou, Y. H. and Zheng, D. W., 1997, "Wavelet analysis of interannual length-of-day variation, El Niño-Southern Oscillation and atmospheric Quasi-Biennial Oscillation," Acta Astronomica Sinica, Vol. 38, No. 2, pp. 209-214.

Zhou, Y. H. and Zheng, D. W., 1997, "A new calculation method of correlation coefficient test table, Annals of Shanghai Observatory Academia Sinica, Vol. 18, pp. 16-24.

Zhou, Y. H. and Zheng, D. W., 1997, "Application of LSTSA model to improvement of wavelet transform of LOD variation series," Annals of Shanghai Observatory, Academia Sinica, Vol. 18, pp. 13-17.

Zhou, X. and Gao, B., 1998, "Changes of the solid geocentre due to seasonal variations of ground water and air pressure," Acta Astro. Sinica, Vol. 39, pp. 61-66.

Zhou, Y. H., Zheng, D. W., Zhao, M., and Chao, B. F., 1998, "Interannual polar motion with relation to the North Atlantic Oscillation," Global and Planetary Change, Vol. 18, pp. 79-84.