Wef, Apha Awwa <br/><br/>
Standard Methods for the examination of water and wastewater 
Apha Awwa Wef 
 - 21st ed. 
 -  American Public Health Association  2005 
 - xxxvii, 925p. 
<br/><br/><label>ISBN: </label>0875530478 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Waste water testing -- laboratory manual
<br/><br/><label>Dewey Class. No.: </label>628.4 WEF