by ZEMLYANSKIJ VYACHESLAV K,SU, KOVALEV FELIKS I,SU, REUT FELIKS K,SU, DOBRUSIN LEONID A,SU, STOLIN VLADIMIR M,SU, CHVANOV VYACHESLAV A,SU, UNGVITSKIJ EVGENIJ A,SU
Year of Publication 07.04.1991