The 30 to 200 keV X-Ray Spectrum of Cen A Measured from OSO-8 Beall, J. ; Dennis, B. R. ; Crannell, C. J. ; Dolan, J. F. ; Frost, K. J. ; Orwig, L. E. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1976 Bibcode: 1976BAAS....8..363B