by (USSR)M.Prives;by (United States)N.S.Sahana; by (USSR)C.Kosniowski;by (United States)W.S.Massey; by (USSR)A.M.Prokhorov;by (United States)M.A.Omar; by (USSR)N.Piskunov;by (United States)J.M.Shapiro; by (USSR)M.L.Krasonv;by (United States)S.Lang; by (USSR)E.D.Haibemenakis;by (United States)J.S.Waugh; by (USSR)M.Baryshnikov;by (United States)C.R.Jones; by (USSR)N.V.Efimov;by (United States)M.J.Kallaher; by (USSR)A.Starkov;by (United States)K.Sandberg; by (USSR)B.J.Zwolinski;by (United States)R.R.Shannon;