TY  - BOOK
AU  - Bonestell , Chesley .
AU  - Ley, Willy.
TI  - The Conquest of Space
U1  - 523.4 
PY  - 1950///
CY  - London
PB  - Sidgwick & Jacjson
KW  - Solar System
KW  - Space
KW  - Astronomy
KW  - G-Mathematics
ER  -