The Oriented Scintillation Spectrometer Experiment for NASA'S Gamma Ray Observatory Johnson, N. W. ; Kurfess, D. J. ; Kinzer, L. R. ; Purcell, R. W. ; Strickman, S. M. ; Jung, V. G. ; Ulmer, P. M. ; Jensen, M. C. ; Share, H. G. ; Clayton, D. D. ; Dyer, S. C. ; Cameron, A. R. Abstract Publication: 21st International Cosmic Ray Conference (ICRC21) Pub Date: 1990 Bibcode: 1990ICRC....4..162J