1. Time dependent chemical study of contracting interstellar clouds. I. Abundances of nitrogen- and carbon-bearing molecules

   • M. Y. Amin
   • M. S. El Nawawy
   • A. Aiad

   OriginalPaper Pages: 95 - 112

2. Time dependent chemical study of contracting interstellar clouds. II. abundances of oxygen- and sulphur-bearing molecules

   • M. Y. Amin
   • M. S. El Nawawy
   • A. Aiad

   OriginalPaper Pages: 113 - 125

3. Time dependent chemical study of contracting interstellar clouds. III. the charge distribution in interstellar clouds

   • M. Y. Amin
   • M. S. El Nawawy
   • A. Aiad

   OriginalPaper Pages: 127 - 140

4. Criteria for the detection of lunar cryptomaria

   • Irene Antonenko
   • James W. Head
   • B. Ray Hawke

   OriginalPaper Pages: 141 - 172

5. Signatures of solar wind interaction with the nightside ionosphere of Venus

   • Harry A. Taylor Jr.
   • Leonard Kramer
   • Shannon S. Walker

   OriginalPaper Pages: 173 - 199