1. Refined geodetic results based on Doppler satellite observations;Anderle,1971
2. GRIM2 1976 gravimetric geoid evaluation;Balmino,1976
3. Evaluation of the forces that drive the plates;Chapple;J. Geophys. Res.,1977
4. Gaposchkin, M., , , Gravity field determination using laser observations, , Preprint 548, Center for Astrophys., Smithsonian Astrophys. Observ., , Cambridge, Mass., , 1976, .
5. Tides;Hendershott;Annu. Rev. Fluid Mech.,1970