by SAFAROV YURIJ S,SU, BOBKOV SERGEJ A,SU, BELEVITIN VLADIMIR A,SU, POLUKHIN PETR I,SU, NAD SHANDOR,SU, VORONTSOV VYACHESLAV K,SU, DROBAKHIN GEORGIJ A,SU, POSAZHENNIKOV VALENTIN N,SU
Year of Publication 15.03.1983