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

 - Washington, D.C. :    United States Environmental Protection Agency,    1990. 
 - 83 p. :    ill. ;    30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Land treatment of wastewater.
<br/><br/><label>Dewey Class. No.: </label>628.162