01073nam--2200373---450-99000031837020331620080513181929.01-853393-46-00031837USA010031837(ALEPH)000031837USA01003183720010104d1997----km-y0itay0103----baENGGB||||||||001yyWater-pumping devicesa hand book for users and choosersPeter Fraenkel2. edLondonIntermediate Technology Publications1997254 p.24 cmPompaggioMacchinari621.6FRAENKEL,Peter542532ITsalbcISBD990000318370203316621.6 FRA15640 ING62100068364BKTECTAMI4020010104USA01094520020403USA011639PATRY9020040406USA011622PATRY9020080513USA011819Water-pumping devices879173UNISA