TY  - BOOK
AU  - Gardner, Marjorie H.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1965///46
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Propulsion systems.;Materials
KW  - Astrophysics.;Space vehicles;Space vehicles
N1  - Bibliography: p. 172; 5
ER  -