TY  - BOOK
AU  - Contopoulos,George
TI  - The Theory of Orbits in the Solar System and in Stellar Systems
PY  - 1966///
CY  - London
PB  - Academic Press
KW  - Astronomía
N1  - Proceedings of the 25th. Symposium of the International Astronomical Union hed in Thessaloniki, Greece, on 17-22 August, 1964
ER  -