TY  - BOOK
AU  - Organized in cooperation with COSPAR held in thessaloniki,Greece, 1964
AU  - Contopoulos, George.,ed.
TI  - Theory of orbits in the solar system and in stellar systems
T2  - International astronomical union symposium
U1  - 523.2 
PY  - 1966///
CY  - London
PB  - Academic Press
ER  -