Observations of Cosmic X-Ray Sources with the High-Energy Scintillation Spectrometer on OSO-8. Dennis, B. R. ; Crannell, C. J. ; Dolan, J. F. ; Frost, K. J. ; Orwig, L. E. ; Beall, J. H. ; Maurer, G. S. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: June 1978 Bibcode: 1978BAAS...10..513D