1. Magnetosphere;Brice;Eos Trans. AGU,1971
2. Cosmical Geophysics, A., Egeland, , Ø., Holter, , A., Omholt, , University Press, Oslo, Norway, 1973,
3. The earths radiation belt;Hess;Handbuch der Physik,1972
4. Comparison of the trapped electron models AE-4 and AE-5 with AE-2 and AE-3;Hilberg;National Space Scientific Data Center Report,1974
5. Models of the Trapped Radiation Environment;Imhof,1971