Direct solar and earth-albedo radiation pressure effects on the orbit of Pageos 1 Susanna Zerbini OriginalPaper Pages: 307 - 334
The inclination changes in the problem of two triaxial rigid spheroids M. Šidlichovský OriginalPaper Pages: 343 - 355
Stability criteria in many-body systems Ian W. WalkerA. Gordon EmslieArchie E. Roy OriginalPaper Pages: 371 - 402
Johann Heinrich Lambert and the determination of orbits for planets and comets Volk O. Erratum Pages: 415 - 415