TY  - BOOK
AU  - Du Bridge,Lee Alvin
TI  - Introduction to space
U1  - 629.43 
PY  - 1960///
CY  - New York
PB  - Columbia University Press
KW  - Space sciences
KW  - Space stations
KW  - Space vehicles
KW  - Space flight
N1  - The george B Pegram lectures
ER  -