1. An analytical study of the inclinations of the planetary axes of rotation

   • Vittorio Banfi

   OriginalPaper Pages: 1 - 10

2. The dynamical evolution of Saturn's E-ring

   • J. R. Hill
   • D. A. Mendis

   OriginalPaper Pages: 11 - 21

3. Maxwell Montes and Thessera Fortuna: A study of Venera 15 and 16 radar images

   • L. B. Ronca
   • A. T. Basilevsky

   OriginalPaper Pages: 23 - 39

4. Obstacles facing the Venus radar mapper - The implications of gestalt formation in stereo-radargrammetry

   • Robert L. Wildey

   OriginalPaper Pages: 41 - 48

5. A study of collision orbits with the Moon by the method of surface of section

   • Maria Gousidou-Koutita

   OriginalPaper Pages: 49 - 61

6. Generalization of Landsat MSS interpretations of aquatic areas in southwestern Finland

   • J. Raitala
   • J. Lampinen

   OriginalPaper Pages: 63 - 88

7. A laboratory experiment with relevance to the survival of micro-organisms entering a planetary atmosphere

   • S. Al-Mufti
   • F. Hoyle
   • N. C. Wickramasinghe

   Letter to the Editor Pages: 89 - 91

8. Book Review

   BookReview Pages: 93 - 96