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Agricultural economics ; Don ; European part of Russia ; Forest-steppe transition ; History of geography ; Land development ; Land tenure system ; Land use ; Population density ; River basin ; Rural landscape ; Settlement ; Twelfth Century ; Twentieth Century
(supprimer)
Agricultural economics ; Don ; European part of Russia ; Forest-steppe transition ; History of geography ; Land development ; Land tenure system ; Land use ; Population density ; River basin ; Rural landscape ; Settlement ; Twelfth Century