X-ray Observations from the OSO-7 Satellite. (Abstract) Clark, G. W. ; Lewin, W. H. G. ; Schnopper, H. W. ; Sprott, G. ; McClintock, J. E. ; Canizares, C. Abstract Publication: International Cosmic Ray Conference Pub Date: 1973 Bibcode: 1973ICRC....1...77C