TY  - BOOK
AU  - JENSON, JORGEN,KORK, JYRI,TOWNSAND, GOERGE
TI  - DESIGN GUIDE TO ORBITAL FLIGHT
U1  - 629.454 JEN'D 
PY  - 1962///
CY  - NEWYORK
PB  - MCGRAW HILL
ER  -