1. The appropriate dyadic applicable to the lower region of the ionospheric plasma

   • S. S. De
   • S. Bandyopadhyay
   • S. K. Adhikari

   OriginalPaper Pages: 1 - 6

2. Dynamics of dust in a plasma sheath and injection of dust into the plasma sheath above Moon and asteroidal surfaces

   • Tore Nitter
   • Ove Havnes

   OriginalPaper Pages: 7 - 34

3. Application of ion irradiation experiments to planetary surfaces in the Outer Solar System

   • G. Strazzulla
   • G. Leto
   • G. A. Baratta

   OriginalPaper Pages: 35 - 45

4. Mass distribution in the asteroid belt

   • Jozef Klačka

   OriginalPaper Pages: 47 - 52

5. A note on the Hori-Lie perturbation technique

   • Osman M. Kamel

   OriginalPaper Pages: 53 - 56

6. The estimate of the deceleration in the earth's rotation due to the sun

   • Milan Burša

   OriginalPaper Pages: 57 - 60

7. Evaluation of gas production rates in some comets

   • A. A. De Almeida

   OriginalPaper Pages: 61 - 74

8. The motion of vortices within a rotating, fluid shell

   • Paolo Lanzano

   OriginalPaper Pages: 75 - 82

9. Phase transitions in the Mars mantle

   • E. Severova

   Letter to the Editor Pages: 83 - 91

10. Comets: a chronological history of observation, science, myth, and folklore

    Book Review Pages: 93 - 94