1. Periodic changes in Earth's rotation due to oceanic tides;Brosche;Astron. Astrophys.,1989
2. ERDE: High resolution observations of Earth orientation parameters by VLBI;Clark;EOS Trans. Amen Geophys. Union,1990
3. Observed variations of UT1 and polar motion in diurnal and semidiurnal bands;Dong;EOS Trans. Amer. Geophys. Union,1990
4. Geodetic results from the October 1989 Extended R&D VLBI experiment;Herring;EOS Trans. Amer. Geophys. Union,1990