by KURDIN YURIJ A,SU, CHERNYSHOV YURIJ L,SU, KOCHERGIN ANATOLIJ ,SU, MURATOV VALENTIN G,SU
Year of Publication 15.08.1979

by ILIN ANATOLIJ P,SU, KURDIN YURIJ A,SU, VOLIK GEORGIJ O,SU, KOCHERGIN ANATOLIJ ,SU, REJKHELSON YURIJ A,SU, MURATOV VALENTIN G,SU
Year of Publication 15.07.1980