Observation of a gamma-ray burst at altitude. Nishimura, J. ; Fujii, M. ; Tawara, Y. ; Miyamoto, S. ; Oda, M. ; Yamagami, T. ; Kajiwara, M. ; Murakami, H. ; Yoshimori, M. ; Nakagawa, M. ; Sakurai, T. Abstract Publication: Tokyo University Institute of Space and Aeronautical Science Bulletin Pub Date: 1977 Bibcode: 1977BISAT..13..857N