TY  - BOOK
ED  - United States. 
ED  - Office of Research and Development.
TI  - Small community wastewater systems / 
PY  - 1991///
CY  - Washington, D.C : 
PB  - United States Environmental Protection Agency, ORD., 
KW  - Sewage disposal plants
KW  - United States
N1  -  EPA/600/M-91/032;  October, 1991;  Includes bibliographical references
ER  -