Results from the HEAO-1 High Energy X-Ray Sky Survey Levine, A. ; Bautz, M. ; Howe, S. ; Lang, F. ; Primini, F. ; Lewin, W. H. G. ; Baity, W. ; Gruber, D. ; Knight, F. ; Peterson, L. ; Rothschild, R. ; Matteson, J. ; Nolan, P. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1980 Bibcode: 1980BAAS...12..463L