Orhon, Derin. <br/><br/>
Modelling of activated sludge systems / 
Derin Orhon and Nazik Artan. 
 - Lancaster ; Basel :  Technomic Publishing Co.,   c1994. 
 - xii, 589 pages :  illustrations ;  24 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1566761018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Activated sludge process.--Purification
<br/><br/><label>Dewey Class. No.: </label>628.354 ORH