Szebehely Adventures in celestial mechanics : a first course in the theory of orbits / by Victor G. Szebehely, Hans Mark. - 2nd ed.. - New York John Wiley & Sons 1998. - x, 310p. ill. 24cm Includes bibliographical references ISBN: 0471133175 Subjects--Topical Terms: Celestial mechanicsOrbits Dewey Class. No.: 521.3 SZE 1998