SPERLING, M. V. <br/><br/>
ACTIVATED SLUDGE AND AEROBIC BIOFILM REACTORS 

 - NEW YORK  IWA  2007 
 - xiii+322p.,23x16Cms. 
<br/><br/><label>ISBN: </label>1843391651 
<br/><br/><label>Dewey Class. No.: </label>628.35 S849