"Éducation Russie." . . . "This is the challenge ; the Benton reports of 1956-1958 on the nature of the Soviet threat"@en . . . . . "This is the challenge; the Benton reports of 1956-1958 on the nature of the Soviet threat" . . . . . . . . . "This is the challenge : the Benton reports of 1956-1958 on the nature of the Soviet threat" . "This is the challenge the Benton reports of 1956-1958 on the nature of the Soviet threat"@en . . . . . . "Russia Description and travel." . . "Since 1945" . .