Observation from Uhuru of X-Ray Sources along the Galactic Equator. Gorenstein, P. ; Gursky, H. ; Kellogg, E. M. ; Schreier, E. ; Tananbaum, H. ; Giacconi, R. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1971 Bibcode: 1971BAAS....3Q.236G