TY  - BOOK
ED  -  United States. 
TI  -  Environmental pollution control alternatives : : drinking water tre atment for small communities
U1  -  363.73   22
PY  - 1990///
CY  -  Cincinnati, Ohio : 
PB  -  Centre for Environmental Research Information, 
KW  -  Water quality management
KW  -  Water pollution
KW  -  Environmental aspects
N1  -  Includes bibliographic references
ER  -