TY  - BOOK
AU  - Ahrendt, Myrl H.
TI  - The mathematics of space exploration
T2  - Holt library of science
AV  - TL1050 .A35
U1  - 629.4 
PY  - 1965///
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Astrodynamics
KW  - Space flight
N1  - Bibliography: p. 157
ER  -