Nelson, Walter C. <br/><br/>
Space mechanics/ 
Walter C. Nelson and  Ernest E.Loff 
 - New Jersey:  Prentice-Hall,  c1962 
 - x, 245 p.:  ill.;  24 cm. 
 - Prentice hall International Series in Space Technology .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> $ 12.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics<br/>Orbit mechanics<br/>Artificial satellites<br/>Sapce trajectories
<br/><br/><label>Dewey Class. No.: </label>629.411