1. Effects of trapped particles on the geomagnetic field;Apel,1962
2. Fluctuations in the distant geomagnetic field during substorms: ATS1;Coleman,1970
3. Turbulent loss of ring-current protons;Cornwall;J. geophys. Res.,1970
4. Simultaneous magnetic field variations at the Earth's surface and at synchronous, equatorial distance, Part I, Bayassociated events;Cummings,1968
5. The ring current as the source region for proton auroras;Eather;Cosmic Electrodyn.,1971