Nutrient removal / 
prepared by the Nutrient Removal Task Force of the Water Environmenment Federation 
 - New York, NY ;  McGraw-Hill Professional ,  2011 
 - xxxvi, 628 p. :  ill. ;  25 cm. 
 - WEF manual of practice ;  no. 34 .
 - WEF manual of practice ;  no. 34 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780071737098 007173709X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification--Nutrient removal<br/>Sewage--Purification--Nitrogen removal<br/>Sewage--Purification--Phosphate removal