Tchobanoglous, George  <br/><br/>
Water quality :  

 - Massachusetts :  Addison-Wesley,  1987. 
 - xxix, 768p.  
 - Water quality management .
<br/><br/><label>ISBN: </label>9780201054330 
<br/><br/><label>Dewey Class. No.: </label>363.7394  / N87 (UG)