High Energy Gamma Rays from 1991 June 15 Solar Flare as Evidence of Proton Acceleration up to 10 GeV
Journal article published in 1993 by
Ge E. Kocharov,
Ei I. Chuikin,
Lg G. Kocharov,
Ga A. Kovaltsov,
Vf F. Melnikov,
Ts S. Podstrigach,
Ig G. Usoskin 
,
Univ Calgary
,
Univ Calgary
