OSO-8 observations of Cygnus XR-1. Dolan, J. F. ; Dennis, B. R. ; Crannell, C. J. ; Frost, K. J. ; Orwig, L. E. Abstract Publication: X-ray Binaries and Compact Objects Pub Date: 1977 Bibcode: 1977xbco.conf...99D Keywords: X-Ray Sources:X-Ray Observations