Clesceri, L S . <br/><br/>
Standard methods for the examination of water and wastewater   

 - 20th edition.  
 - Washington :   American Public Health Association,   1998. 
<br/><br/><label>ISBN: </label>0875532357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>628.2  / CLE