by NECHAEV YU.S.,SU, KOROBCHUK P.I.,SU, YAKOVLEVA T.G.,SU, DUNAJTSEV A.F.,SU, MOROZOV A.F.,SU, IVANOV A.A.,SU, POLIEVSKIJ G.A.,SU, MAKSIMOV G.M.,SU, VINOGRADOV N.F.,SU
Year of Publication 07.05.1987