Zimmerman, Robert,  1953- <br/><br/>
Leaving earth :  space stations, rival superpowers, and the quest for interplanetary travel / 
by Robert Zimmerman 
 - Washington, D.C. :  J. Henry Press,  2003 
 - xiii, 528 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 467-481) and index 
<br/><br/><label>ISBN: </label>0309085489 (Hardcover)  RM101.74 
<br/><br/><label>LCCN: </label>2003-007637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics--History<br/>Astronautics--Political aspects--History
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Outer space--Exploration--History