1. Closed ecological systems

   • Eugene B. Konecci

   OriginalPaper Pages: 3 - 20

2. Electrodynamics of the magnetosphere: Geomagnetic storms

   • Syun-Ichi Akasofu

   OriginalPaper Pages: 21 - 143

3. Book reviews

   • H. Wittenberg
   • O. H. Gerlach

   BookReview Pages: 144 - 144