Food from windmills: a report on the wind mill irrigation project initiated by the American Presbyterian mission at Omostation in Ethiopia.
Fraenkel,P.L.
Food from windmills: a report on the wind mill irrigation project initiated by the American Presbyterian mission at Omostation in Ethiopia. - England Intermediate Tech. Pub. 1975 - 56
Wind mills
621.45
Food from windmills: a report on the wind mill irrigation project initiated by the American Presbyterian mission at Omostation in Ethiopia. - England Intermediate Tech. Pub. 1975 - 56
Wind mills
621.45