Injection of energetic protons during solar eruption on 1999 May 9: Effect of flare and coronal mass ejectionJ. Torsti, L. Kocharov, D. E. Innes, J. Laivola and T. SahlaA&A, 365 2 (2001) 198-203DOI: https://doi.org/10.1051/0004-6361:20000148
