Eaton, Andrew et.al. <br/><br/>
Standard Methods  For the examination of water and wastewater 
ed by Andrew D Eaton et.al. 
 - 21st ed 
 - USA  American public Health Association  2005 
 - xxxvii, Sectional 
<br/><br/><label>ISBN: </label>0875530478 
<br/><br/><label>Dewey Class. No.: </label>628.10287  / P05;1 (CE)