1. Mass and orbit estimation of Planet X via a family of comets

   • R. Neuhäuser
   • J. V. Feitzinger

   OriginalPaper Pages: 193 - 202

2. Time variation of ellipticity of globular clusters in the Large Magellanic Cloud

   • Kazuhide Akiyama

   OriginalPaper Pages: 203 - 239

3. Angular momentum and tidal evolution of Saturn's system

   • Milan Burša

   OriginalPaper Pages: 241 - 255

4. Irregular behaviour and eccentricity increase in the trajectories of a dynamical system modelling asteroidal motions

   • H. Varvoglis

   OriginalPaper Pages: 257 - 267

5. A search for planets in binary star systems: A new type of approach

   • Vittorio Banfi

   OriginalPaper Pages: 269 - 282

6. A new light on the L ₁, L ₂ Lagrangian points

   • J. J. Rawal

   Letter To The Editor Pages: 283 - 288

7. Erratum

   Erratum Pages: 292 - 292