by SEROV ALEKSANDR V,SU, BULANY VITALIJ A,SU, KHOLODOV GENNADIJ I,SU, KHRAMTSOV ANDREJ A,SU, DYKALO NIKOLAJ YA,SU, GARBUZOV DMITRIJ M,SU, KIM VOLFRAM V,SU
Year of Publication 07.10.1991