1. Publisher's announcement

   Announcement Pages: iii - iii

2. Ringlets of the major planets which may consist of coagulated particles

   • William D. Ross

   OriginalPaper Pages: 209 - 220

3. On the expansion of planetary disturbing function

   • Osman M. Kamel

   OriginalPaper Pages: 221 - 226

4. Tidal variations in the dynamic parameters of Phobos

   • M. Burša

   OriginalPaper Pages: 227 - 232

5. Solar-cycle phenomena in cosmic-ray intensity: Differences between even and odd cycles

   • H. Mavromichalaki
   • E. Marmatsouri
   • A. Vassilaki

   OriginalPaper Pages: 233 - 244

6. Age dating of mare in the lunar crater Tsiolkovsky by crater-counting method

   • A. Tyrie

   OriginalPaper Pages: 245 - 264

7. A description of the crater Tsiolkovsky on the lunar far side

   • A. Tyrie

   OriginalPaper Pages: 265 - 275

8. Composite graben tectonics of Alba Patera on Mars

   • Jouko Raitala

   OriginalPaper Pages: 277 - 291

9. A comparison of the cratered terrain escarpments on Miranda with the thrust faults on Mercury

   • Kent D. Trego

   OriginalPaper Pages: 293 - 296

10. The composition of Ceres: A determination by high-pressure physics

    • Vladan Čelebonović

    OriginalPaper Pages: 297 - 300

11. A neutron activation analysis of iridium concentration in Yamato carbonaceous chondrite

    • S. Yabushita
    • K. Wada
    • K. Takeuchi

    Letter to the Editor Pages: 301 - 302

12. Broadband lane structures in the decametric spectra of Jupiter and the scintillation boundary

    • Jorma J. Riihimaa

    Letter to the Editor Pages: 303 - 308

13. Book reviews

    BookReview Pages: 309 - 310