TY  - BOOK
AU  - Levin E. A.L.
TI  - Future of the U.S. space Program
U1  - D6:48v73.N7, L5 
PY  - 1975///
CY  - New York 
PB  - Praeger      
KW  - Mechanical engineering
N1  - Appendix 173-189p; Bibliography 190-192p
ER  -