Observations of BL Lacertae Objects with HEAO-1. Kinzer, R. L. ; Wood, K. ; Meekins, J. ; Yentis, D. ; Shulman, S. ; Evans, W. D. ; Byram, E. T. ; Chubb, T. A. ; Friedman, H. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: June 1978 Bibcode: 1978BAAS...10..503K