TY  - BOOK
AU  - Baker,Robert M.L.
AU  - Makemson,Maud W.
TI  - An Introduction to astrodynamics
U1  - 629.411 
PY  - 1962///
CY  - New York
PB  - Academic Press
KW  - Astrodynamics
KW  - Astronautics
KW  - Space flight
KW  - Space sciences
N1  - Includes bibliographical reference and index
ER  -