The theory of orbits in the solar system and in stellar systems Organized in cooperation with Cospar held in Thessalonik, greece, 17-22 august, 1964
George Contopoulos
London and New York Academic Press 1966
Localização:
IAG - Inst. Ast. Geo. Ciên. Atmosféricas
(520.6 T356 n.25 IAU Symp. )(Acessar)