1. A study of the polar current systems using the IMS meridian chains of magnetometers

   • S. -I. Akasofu
   • B. -H. Ahn
   • G. J. Romick

   Articles Pages: 337 - 413

2. Book reviews

   • J. Kleczek
   • H. Nussbaumer
   • W. de Graaff

   BookReview Pages: 415 - 432

3. Announcement

   Announcement Pages: 433 - 433