TY  - BOOK
AU  - Zimmerman, Robert
TI  - Leaving earth : space stations, rival superpowers, and the quest for interplanetary travel
SN  - 9780309085489
SN  - 200300763
U1  - 629.442 ZIM 
PY  - 2003///
CY  - Washington, D.C
PB  - Joseph Henry Press
KW  - Astronautics - History
KW  - Astronautics - Political aspects - History
KW  - Outer space - Exploration - History
N1  - Includes bibliographical references (p. 467-481) and index
ER  -