1. Grazing-incidence telescopes for X-ray astronomy

   • R. Giacconi
   • W. P. Reidy
   • T. F. Zehnpfennig

   OriginalPaper Pages: 3 - 57

2. Stratospheric dust and its relationship to the meteoric influx

   • James M. Rosen

   OriginalPaper Pages: 58 - 89

3. Problems of meteorological observations from satellites

   • F. Möller
   • E. Raschke

   OriginalPaper Pages: 90 - 148