{"id":"000025247","type":"book","title":"Völkerkundliche Probleme bei der Intensivierung der afrikanischen Landwirtschaft.- Frankfurt","container-title":"Die Umschau; 12.1962, S:373-376: 7 Ill.; 1 Kt","author":[{"family":"Dittmer","given":"Kunz"}],"issued":{"raw":"1962"}}