Studies of primary cosmic rays in the energy region 1014 to 1017 eV (Bolivian Air Shower Joint Experiment) Toyoda, Y. ; Suga, K. ; Murakami, K. ; Hasegawa, H. ; Shibata, S. ; Domingo, V. ; Escobar, I. ; Kamata, K. ; Bradt, H. ; Clark, G. ; La Pointe, M. Abstract Publication: International Cosmic Ray Conference Pub Date: 1965 Bibcode: 1965ICRC....2..708T