Water pollution control in developing countries :  report of a WHO expert committee. 

 - Geneva :  World Health Organization,  c 1968. 
 - 38 p. ;  25 cm. 
 - World Health Organization technical report series ;  404 .
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution.
<br/><br/><label>Dewey Class. No.: </label>628.168 / W893w