TY - BOOK AU - Duncombe, Roynor L., ed. AU - Szebehely, Victor G., ed. TI - Methods in astrodynamics and celestial mechanics T2 - Progress in astronautics and aeronautics PY - 1966/// CY - New York PB - Academic Press KW - Astrodynamics KW - Astronomy and Astrophysics Thesaurus KW - Celestial Mechanics ER -