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2 “Cosmic electron gradients in the inner heliosphere,”, J. Clem, B. Heber and P. Evenson, Geophysical Research Letters, 29 (23), 2096, doi:10.1029/2002GL015532, 2002.
3 “Positron Abundance in Galactic Cosmic Rays,” J. Clem and P. Evenson, Astrophysical Journal, 568, 216, 2002.
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5 “Solar Modulation of Cosmic Electrons,” J. Clem, D.P Clements, J. Esposito, P. Evenson, D. Huber, J.L'Heureux, P. Meyer and C. Constantin, Astrophysical Journal, 464, 507-515, 1996.