OBSERVATIONS OF THE 2006 DECEMBER 13 AND 14 SOLAR PARTICLE EVENTS IN THE 80 MeV n<sup>–1</sup>-3 GeV n<sup>–1</sup>RANGE FROM SPACE WITH THE PAMELA DETECTORO. Adriani, S. Ricciarini, M. Pearce et al.|The Astrophysical Journal|2011Cited by 103