Fraenkel.P.L. Water Lifting Devices - Food and Agriculture Organization of the United Nations. Rome 1986 - 295p. ILL.,Cht.,Fig and Table - FAO Irrigation and Drainage Paper 43 . ISBN: 62-5-102515-0 Nat. Bib. No.: 6661 Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631 / FRA