Correlation of Optical and X-Ray Emission from Sco XR-1 Conner, J. P. ; Evans, W. D. ; Belian, R. D. ; Kunkel, W. E. ; Hiltner, W. A. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: September 1970 Bibcode: 1970BAAS....2R.304C