Three Gamma-Ray Bursts Recorded by VENERA-11 VENERA-12 and PROGNOZ-7 Estulin, I. V. ; Dyachkov, A. V. ; Zenchenko, V. M. ; Kuznetsov, A. V. ; Mersov, G. A. ; Vedrenne, G. ; Niel, M. ; Hurley, K. Abstract Publication: Soviet Astronomy Letters Pub Date: February 1981 Bibcode: 1981SvAL....7...12E