1. Some problems and perspectives in cosmic-ray studies

   • N. L. Grigorov
   • I. D. Rapoport
   • G. A. Skuridin

   OriginalPaper Pages: 167 - 209

2. Earth-moon libration points: Theory, existence and applications

   • L. Steg
   • J. P. De Vries

   OriginalPaper Pages: 210 - 233

3. Techniques for rocket solar UV and for UV spectroscopy

   • W. A. Rense

   OriginalPaper Pages: 234 - 264

4. The Goddard Range and Range Rate Tracking System: Concept, design and performance

   • George C. Kronmiller Jr.
   • Elie J. Baghdady

   OriginalPaper Pages: 265 - 307

5. Correction

   Erratum Pages: 308 - 308