1. Professor Harry Pollard 1919–1985

   In Memoriam Pages: 348 - 349

2. Transformation invariante du problème des deux corps associée à l'excentricité

   • Colette Edelman

   OriginalPaper Pages: 351 - 358

3. Second order adiabatic invariants associated with the two-body problem with slowly varying mass

   • Mohammad Salmassi

   OriginalPaper Pages: 359 - 369

4. Quasi-analytical solutions for the dynamics of a class of tethered satellites with Danby's aerodynamical drag

   • I. Bonzani
   • M. G. Zavattaro Chiado Piat

   OriginalPaper Pages: 371 - 385

5. Simple three-dimensional periodic orbits in a galactic-type potential

   • G. Contopoulos
   • P. Magnenat

   OriginalPaper Pages: 387 - 414