by SHARIVKER S.YU.,SU, OSEJKO N.I.,SU, KARYUK G.G.,SU, MERZHANOV A.G.,SU, FESENKO V.V.,SU, BOCHKO A.V.,SU, YAKOVLEV V.P.,SU, MOSHKOVSKIJ E.I.,SU, BOROVINSKAYA I.P.,SU
Year of Publication 15.06.1981