Associations between Coronal Mass Ejections and Solar Energetic Proton Events Kahler, S. W. ; Sheeley, N. R., Jr. ; Howard, R. A. ; Koomen, M. J. ; Michels, D. J. ; McGuire, R. E. ; von Rosenvinge, T. T. ; Reames, D. V. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1983 Bibcode: 1983BAAS...15..699K