The Primary energy spectrum from 8 x 1014-4 x 1017 eV Bradt, H. ; Clark, G. ; La Pointe, M. ; Domingo, V. ; Escobar, I. ; Kamata, K. ; Murakami, K. ; Suga, K. ; Toyoda, Y. Abstract Publication: International Cosmic Ray Conference Pub Date: 1965 Bibcode: 1965ICRC....2..715B