Detection of the COS-B/EGRET source GRO J2227+61 Iyudin, A. ; Reimer, O. ; Bennett, K. ; Bloemen, H. ; Hermsen, W. ; Kanbach, G. ; Pohl, M. ; Ryan, J. ; Schönfelder, V. ; Strong, A. Abstract Publication: International Cosmic Ray Conference Pub Date: 1997 Bibcode: 1997ICRC....3...89I