Natural systems for wastewater treatment / 
prepared by Natural Systems for Wastewater Treatment Task Force of the Water Environment Federation. 
 - Third edition. 
 - Alexandria, VA :  Water Environment Federation,  2010. 
 - 1 online resource (xxx, 476 pages) :  illustrations, maps. 
 - WEF manual of practice ;  number FD-16 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781523102907 152310290X 
<br/><br/><label>LCCN: </label>2011288017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification.<br/>Land treatment of wastewater.<br/>Sewage lagoons.