Henze, Mogens, etal. <br/><br/>
Wastewater treatment  biological and chemical processes 
by Mogens Henze, etal. 
 - 3rd ed. 
 - Berlin  Springer-Verlag  2001 
 - 430p. 
 - Environmental engineering .
<br/><br/><label>ISBN: </label>3540422285 
<br/><br/><label>Dewey Class. No.: </label>628.3  / P02