High Energy X-Ray Sources within 5° of the Galactic Center observed with OSO-8 Dennis, B. R. ; Beall, J. H. ; Coe, M. J. ; Crannell, C. J. ; Dolan, J. F. ; Frost, K. J. ; Orwig, L. E. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1979 Bibcode: 1979BAAS...11..420D