"vindmøller." . . "vindmøller" . "Irrigatie (waterhuishouding)" . . "Windmolens." . . "vindkraft." . . "vindkraft" . "Aangepaste technologie." . . . . "Irrigation efficiency." . . "Developing countries Energy conservation." . . . . . . . . . "Food from windmills"@en . . . . . . . . . "Food from windmills a report on the wind mill irrigation project initiated by the American Presbyterian Mission at Omo Station inEthiopia"@en . "Food from windmills : a report on the wind mill irrigation project initiated by the American Presbyterian Mission at Omo station in Ethiopia" . . . . . . . . . . . . . "Food from windmills : a report on the wind mill irrigation project initiated by the American Presbytarian Mission at Omo Station in Ethiopia" . . . . . . . "Report on the windmill irrigation project initiated by the American Presbyterian Mission at Omo Station in Ethiopia"@en . "Food from windmills : a report on the wind mill irrigation project initiated by the American Presbyterian Mission at Omo Station in Ethiopia" . "Food from windmills : a report on the wind mill irrigation project initiated by the American Presbyterian Mission at Omo Station in Ethiopia"@en . . "Food from windmills : a report on the windmill irrigation project initiated"@en . . . "Food from windmills : by Peter Fraenkel" . . . . . "Food from windmills a report on the windmill irrigation project initiated by the American Presbyterian Mission at Omo Station in Ethiopia"@en . . . . .