TY  - BOOK
AU  - Ehricke,Krafft A.
TI  - Space flight
U1  - 629.1388 
PY  - 1962///
CY  - Princeton
PB  - D. Van Nostrand
KW  - Space flight
KW  - Astronautics
KW  - Orbital transfer (Space flight)
N1  - Includes index; Library has Vol. 1&2; Vol. 1 -v. 2
ER  -