World Health Organization <br/><br/>
Guidelines for drinking - water quality 

 - 2nd ed. 
 - Geneva  World health organization  1997 
 - 238 p. 
<br/><br/><label>ISBN: </label>9241545038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply
<br/><br/><label>Dewey Class. No.: </label>362.1 2nd ed.