PHEBUS/GRANAT observations of high-energy solar flares Terekhov, O. V. ; Kuz'min, A. G. ; Sunyaev, R. A. ; Tkachenko, A. Yu. ; Denisenko, D. V. ; Barat, C. ; Talon, R. ; Vedrenne, G. Abstract Publication: Astronomy Letters Pub Date: May 1996 Bibcode: 1996AstL...22..362T