Epaminondas Stassinopoulos
Stassinopoulos, E. G. "The Earth's Trapped and Transient Space Radiation Environment" in Terrestrial Space Radiation and Its Biological Effects, NATO ASI Series A:  Life Sciences. v.154  Plenum Press, 1987. Edited by Percival D. McCormack, Charles E. Swenberg and Horst Bücker