. . "The Black Sea coast of the Soviet Union a short guide"@en . "The Black Sea coast of the Soviet Union : A short Guide" . "The Black Sea coast of the Soviet Union : a short guide" . . . "The Black Sea coast of the Soviet Union; a short guide" . . . . "The Black Sea coast of the Soviet Union" . . . . . . . . "Black Sea Region" . . "Black Sea region." .