TY - BOOK AU - Kovalevsky, J AU - Sessin, W. TI - Relativity celestial mechanics and astronomy SN - 90-277-2190-4 PY - 1986/// CY - Dordrecht PB - D. Reidel Publishing KW - Astrometry KW - Astronomy and Astrophysics thesaurus KW - Celestial mechanics KW - General relativity ER -