TY  - BOOK
AU  - Clark, John William
AU  - Hammer, Mark J.
TI  - WATER SUPPLY AND POLLUTION CONTROL
U1  - 628.162 
PY  - 1977///
CY  - New York
PB  - Harper And Row
KW  - Water -- Purification
KW  - Water -- Supply, Industrial
KW  - Water -- Pollution
ER  -