by YUSUPOV RIF I,SU, EMELYANOV VALERIJ D,SU, PUPIN VIKTOR S,SU, LUBASHEV IVAN I,SU
Year of Publication 30.09.1991

by YUSUPOV RIF I,SU, DORONKIN KONSTANTIN N,SU, KABANOV PAVEL S,SU, LUBASHEV IVAN I,SU
Year of Publication 15.04.1989