TY  - BOOK
AU  - Herrick,Samuel
TI  - Astrodynamics: orbit correction perturbation theory integration 
SN  - 0442033710 :
U1  -  629.411 
PY  - 1972///-
CY  - London
PB  - Van Nostrand Reinhold
KW  - Space vehicles
KW  - Design and construction
KW  - Astronautics
KW  - Orbits
N1  - Library has vol.2; Bibliography : p. 321-332
ER  -