Gibbon, Donald L. <br/><br/>
Aeration of activated sludge in sewage treatment / 
Donald L. Gibbon 
 - New York :  Pergamon Press,  1974 
<br/><br/>Includes references & index. 
<br/><br/><label>ISBN: </label>0080181562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage treatment
<br/><br/><label>Dewey Class. No.: </label>628.354  / GIB