Activated sludge process design and control : theory and practice 

 - Lancaster:  Technomic Pub. Co,  1992 
 - xiii, 268 p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>9780877628897 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factory and trade waste - Purification
<br/><br/><label>Dewey Class. No.: </label>628.354 ECK