Emulsion Chamber Observations of Primary Electrons Japan-U S. Primary Electron Collaboration) Japan-Us Prim. Elec. Coll., : ; Nishimura, J. ; Fujii, M. ; Taira, T. ; Aizu, E. ; Nomura, Y. ; Kobayashi, Ta. ; Niu, K. ; Nishio, A. ; Golden, R. L. ; Koss, T. A. ; Lord, J. J. ; Wilkes, R. J. Abstract Publication: International Cosmic Ray Conference Pub Date: 1981 Bibcode: 1981ICRC....2...94J