Guidelines for drinking-water quality /   Volume 1 :   Recommendations. 
World Health Organization. 
 - Delhi :  CBS Publishers & Distributors,   1984 [reprint 1991]. 
 - 130 p.;  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water  --Standards.<br/>Water-supply --Standards. 
<br/><br/><label>Dewey Class. No.: </label>628.161  / GUI 1991