General Features of Cosmic Ray Rigidity Spectra from 4 to 250 GV. (Abstract) Golden, R. L. ; Adams, J. H., Jr. ; Badhwar, G. D. ; Deney, C. L. ; Heckman, H. H. ; Lindstrom, P. L. Abstract Publication: International Cosmic Ray Conference Pub Date: 1973 Bibcode: 1973ICRC....1..201G