by (USSR)M.I.Kaganov;by (USSR)I.M.Lifshits;by (United States)M.Levy...et al; by (USSR)A.K.Kikoin;by (USSR)I.K.Kikoin;by (United States)G.H.F.Diercksen; by (USSR)G.I.Yepifanov;by (USSR)Y.A.Moma;by (United States)O.p.gANDHI; by (USSR)W.Earhart;by (USSR)E.B.Birge; (United States)J.W.Beattie...et al; by (USSR)N.V.Kopchenova;by (USSR)I.A.Marcon;by (United States)G.I.Marchuk; by (USSR)A.I.Kitaigoredsky;by (United States)H.Keune...et al; by (USSR)I.E.Tamm;Tran. by (USSR)G.Leib; (United States)P.H.Cutler; by (USSR)J.Mika;by (USSR)T.Torok;by (United States)H.W.Siesler; by (United States)L.Durand;by (United States)L.G.Pondrom;by (United States)M.Levy...et al; by (USSR)L.S.Landau;by (USSR)A.I.Kitaigorodsky;by (United States)F.Kohlrausch;