by SORKIN PETR D,SU, ZATULSKIJ ALEKSANDR I,SU, MATSVEJKO VLADIMIR N,SU, KHALFIN LEV S,SU
Year of Publication 30.07.1990

by SORKIN PETR D,SU, TKACHENKO IGOR N,SU, POLYAKOV GEORGIJ P,SU, MATSVEJKO VLADIMIR N,SU, KAZACHUK STANISLAV B,SU, PRISHCHEPA VLADIMIR N,SU
Year of Publication 07.02.1991