by RYKOV OLEG A,SU, DYSKIN VLADIMIR I,SU, MERKULOV EVGENIJ P,SU, KUDRYAVTSEVA MARIYA V,SU
Year of Publication 23.03.1983

by RYKOV OLEG A,SU, DYSKIN VLADIMIR I,SU, KUDRYAVTSEVA MARIYA V,SU, KANEL LEV S,SU
Year of Publication 15.02.1982