by MELKUMOV IGNAT N,SU, ROLSHCHIKOV LEONID D,SU, KRYMCHANSKIJ ISAAK I,SU, KOSYREV LEV K,SU, KOTELNIKOVA LYUDMILA A,SU, GOLOVANENKO SERGEJ A,SU, PISAREVSKIJ LEV A,SU, SISEV ALEKSANDR P,SU, TERSKIKH STANISLAV A,SU, BELALOV KHASAN N,SU
Year of Publication 30.05.1981