. . . . . . . . . . "Food planning some vital aspects, focussing attention on some vital but altogether neglected aspects of the food problem and advocating a new approach"@en . . "Food planning : some vital aspects"@en . . . . . . "Food planning : some vital aspects, focussing attention on some vital but altogether neglected aspects of the food problem and advocating a new approach" . . "Voedselvraagstuk." . . "Voedselvraagstuk" .