TY  - BOOK
ED  -  United States. 
TI  -  Design manual : : constructed wetlands and aquatic plant systems fo r municipal wastewater treatment
U1  -  628.162 
PY  - 1990///
CY  -  Washington, D.C. : 
PB  -  United States Environmental Protection Agency, 
KW  -  Land treatment of wastewater
ER  -