TY  - BOOK
AU  - Ketcham,Bruce,ed
AU  - Martin,Ralph C
ED  - Amateur Rocket Association
TI  - Propulsion
U1  - 629.42 
PY  - 1967///
CY  - England
PB  - W. Foulsham
KW  - Space vehicles
KW  - Rocketry
KW  - Popular works
KW  - Astronautics
KW  - Artificial satellites
N1  - Includes index; Produced as a cooperation programme between the National aeronautics and space Administration and the Amateur Rocklet Association
ER  -