Report on field testing in coimbatore of the standard India Mark II and open top cylinder India Mark III pumps /  ..., in cooperation with UNDP/World Bank Water & Sanitation Program and United Nations Children's Fund 

 - S. l. :  s. n.,  1990 
 - 1 v. (various pagings) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hand pumps
<br/><br/><label>LC Class. No.: </label>TJ903 I53