by MOROZOV A.B.,SU, IVANOVA N.V.,SU, LEBEDEV S.R.,SU, EMELYANOV V.E.,SU, KUZNETSOVA L.N.,SU, SAMARIN K.M.,SU, BURMAKOV V.M.,SU, CHERNOV YU.A.,SU, SOKOLOV N.I.,SU
Year of Publication 07.07.1992