Biological nutrient removal (BNR) operation in wastewater treatment plants 

 - New York:  McGraw-Hill,  2006 
 - xliv, 597 p. : ill. ; 25 cm. ; hpk 
<br/><br/><label>ISBN: </label>9780071464154 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage - Purification - Nutrient removal
<br/><br/><label>Dewey Class. No.: </label>628.357 WEF