Mann, H T <br/><br/>
Water treatment and sanitation:   A handbook of simple methods for rural areas in developing countries  

 - London:   Intermediate Technology Publications,   1976 
 - 90p. 
<br/><br/><label>ISBN: </label>090303123X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>628.16   / L6