by EFREMOV NIKOLAJ N,SU
Year of Publication 15.06.1991

by EFREMOV NIKOLAJ N,SU
Year of Publication 07.06.1991

by EFREMOV NIKOLAJ N,SU
Year of Publication 07.01.1984

by EFREMOV NIKOLAJ N,SU
Year of Publication 15.01.1983

by EFREMOV NIKOLAJ N,SU
Year of Publication 23.05.1981

by EFREMOV NIKOLAJ N,SU
Year of Publication 15.09.1979

by ONOFRIJCHUK ALEKSANDR A,SU, EFREMOV NIKOLAJ N,SU
Year of Publication 15.05.1992

by EFREMOV NIKOLAJ N,SU, MALTSEV VIKTOR A,SU, DMITRIEV VLADIMIR A,SU, ZHUJKOV EVGENIJ P,SU
Year of Publication 15.02.1993