1. Determination of the lunar gravitational field from Luna 10 tracking data;Akim;DAN SSSR,1966
2. Refinement of the Earth's and Moon's masses, based on tracking of the receding automatic interplanetary stations Venera 4, Venera 5, Venera 6 and Venera 7;Akim;DAN SSSR,1971
3. Model of the lunar gravitational field, derived from Luna 10, 12, 14, 15, and 22 tracking data;Akim;DAN SSSR,1977
4. Studies of the lunar gravitational field; involving Doppler tracking of Soviet artificial lunar satellites;Akim;Kosmich. issled.,1983
5. Fifth moving base gravity gradiometer review;Ames,1977