TY  - BOOK
AU  - Clarke, A. C.
TI  - Ascent to Orbit
SN  - 047187910
U1  - 629.4 CLA 
PY  - 1984///
CY  - New York
PB  - John Wiley & sons
KW  - Astronautics--Addresses, essays, lecturers
N1  - Includes footnotes
ER  -