00717nam1 22002291 450 00000162220050630115400.0--------d19711972km-y0itay50------baengGBAstrodynamicsSamuel HerrickLondonVan Nostrand1971-19722 v.24 cm0010000016232001 Orbit determination, space navigation, celestial mechanics0010000016242001 Orbit correction, perturbation theory, integrationMeccanica celeste521Herrick,Samuel630008IT UNIPARTHENOPE RICA UNIMARC000001622Astrodynamics1223162UNIPARTHENOPE