Nutrient removal prepared by the Nutrient Removal Task Force of the Water Environment Federation - New York ; Alexandria McGraw-Hill ; WEF Press c2011 - xxxvi, 628 p. : ill. ; 25 cm Includes bibliographical references and index ISBN: 9780071737098 ISSN: 2011420520 Subjects--Topical Terms: Sewage - Purification - Nitrogen removalSewage - Purification - Nutrient removalSewage - Purification - Phosphate removal Dewey Class. No.: 628.357 WEF