Recent Copernicus Results on the X-ray Emission from Supernova Remnants. Charles, P. A. ; Culhane, J. L. ; Rapley, C. G. ; Zarnecki, J. C. ; Fabian, A. C. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1975 Bibcode: 1975BAAS....7Q.246C