Manual for rural water-supply, with many detailed constructional scale-drawings / 
edited and compiled by Helvetas, Swiss Association for Technical Assistance, Zurich, Switzerland and Yaunde, Cameroon 
 - St. Gall :  SKAT,  1980 
 - 1v. :  ill. 
 - Publication /  no.8 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply, Rural--Handbooks, manuals, etc