TY  - BOOK
AU  - Pogorelov,Dmitrii Alekseevich
AU  - Friedman,Morris
AU  - Brandstatter,Julius J
TI  - Fundamentals of orbital mechanics
U1  - 629.4 
PY  - 1964///
CY  - San Francisco
PB  - Holden-Day
KW  - Space trajectories
ER  -