by RAVSKAYA NATALIYA S,SU, SYTNIK SERGEJ V,SU, LYAPIN DMITRIJ V,SU, RODIN PETR R,SU
Year of Publication 07.03.1992

by SYTNIK SERGEJ V,SU, PIVOVAROV ALEKSANDR A,SU, FEDULOV OLEG V,SU, PARKHOMENKO VLADIMIR D,SU, BARSKIJ VADIM D,SU
Year of Publication 23.02.1993