Aeration of activated sludge in sewage treatment / 
Editor: Donald L. Gibbon. 
 - New York :  Pergamon,  1974. 
 - viii, 118 p. :  ill. 
<br/><br/><label>ISBN: </label>0080181562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Aeration.<br/>Sewage--Purification--Activated sludge process.