by DIDKOVSKIJ VIKTOR K,SU, OROBTSEV YURIJ V,SU, KAMCHATNYJ GENNADIJ A,SU, PEREGUDOV ALEKSEJ S,SU, KAPLUN PETR R,SU, MIKHNEVICH YURIJ F,SU, TOLSKIJ ARSENTIJ A,SU
Year of Publication 25.03.1980