TY  - BOOK
AU  - Freeman,Marsha
TI  - CHALLENGES OF HUMAN SPACE EXPLORATION
SN  - 1852332018
U1  - 629.45 
PY  - 2000///
CY  - 
PB  - Springer-Verlag, London
KW  - Manned Space Flight
KW  - Outer Space -- Exploration
ER  -