1. Die Experimente E/88 and E/93 zur Messung von energiereichen Elektronen, Protonen und Alphateilchen im Satelliten Azur;Achtermann,1970
2. Solar protons and alpha particles in the March 6–9, 1970 events;Armstrong,1971
3. Penetration of low energy solar protons to low geomagnetic latitudes;Bewick;J. geophys. Res.,1970
4. Low energy solar protons in the pseudotrapping region of the magnetosphere;Bewick;J. geophys. Res.,1973
5. A study of magnetospheric boundaries by the simultaneous observations of solar and magnetospheric particles;Blake,1974