SSpace research XISpace research XIde COSPARMateriasSpace sciencesCongressesEdiciones (1)Space research XI (1971)Akademie-Verlag · inglésMás obras de COSPARSSpace researchSpace researchTThe Mars reference atmosphereThe Mars reference atmosphereSatellite perturbations and orbital determination
RReport presented to the seventeenth COSPAR meeting, São PaulReport presented to the seventeenth COSPAR meeting, São Paulo, Brazil, June 1974