Nissen-Petersen, Erik. <br/><br/>
Harvesting rain water in semi-Arid Africa :  shallow wells and Buc ket lift / 
Erik Nissen-Petersen and Dr. Michael Lee. 
 - Nairobi :  ASAL Rainwater Harvesting,  1990. 
 - iii, 26 p. :  ill. ;  30 cm. 
 - Manual ;   no. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water harvesting-- Africa, Semi-Arid.<br/>Wells-- Africa, Semi-Arid.
<br/><br/><label>Dewey Class. No.: </label>628.11