Design manual :    constructed wetlands and aquatic plant systems fo r municipal wastewater treatment. 

 - Washington, D.C. :    United States Environmetal Protection Agency,    1989. 
 - 83 p. :    ill. ;    30 cm. 
<br/><br/>  Technology transfer, EPA/625/1-88/022 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Sewage disposal plants<br/> Constructed wetlands
<br/><br/><label>Dewey Class. No.: </label>628.4