SPERLING,M V <br/><br/>
ACTIVATED SLUDGE AND AEROBIC BIOFILM REACTORM VOL.5 

 - LONDON  IWA  0 
 - vii+322p.,23x15cm. 
<br/><br/><label>ISBN: </label>1843391651 
<br/><br/><label>Dewey Class. No.: </label>628.3 S849.5