"Soviet Union" . . "1945 - 1991" . . . . . . . "The Soviet world in flux: six essays a seminar, December 6-9, 1966, Rougemont, N.C"@en . . . . . . . . "The Soviet world in flux: six essays; a seminar, December 6-9, 1966, Rougemont, N.C" . . . . . "Seminar on the Soviet World in Flux (1966 : Rougemont, N.C.)" . . . . . "University of North Carolina at Chapel Hill." . .