Methods in astrodynamics and celestial mechanics 
Roynor L. Duncombe and Victor G. Szebehely                                          
 - New York  Academic Press  1966 
 - xvi, 436p. 
 - Progress in astronautics and aeronautics  17 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrodynamics<br/>Astronomy and Astrophysics Thesaurus<br/>Celestial Mechanics
<br/><br/><label>Universal Decimal Class. No.: </label>629.19 (047.1)  / PAA-17