Harvesting rain water in semi-Arid Africa : shallow wells and Buc ket lift / Erik Nissen-Petersen and Dr. Michael Lee.
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TextSeries: Manual ; no. 4Publication details: Nairobi : ASAL Rainwater Harvesting, 1990.Description: iii, 26 p. : ill. ; 30 cmSubject(s): DDC classification: - 628.11
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