TY  - GEN
AU  - Viessman, Warren
AU  - Hammer, Mark J.
TI  - Water supply and pollution control
SN  - 0065000587
PY  - 1993///
CY  - New York
PB  - Harper Collins College
KW  - WATER SUPPLY
KW  - SEWAGE TREATMENT
KW  - WATER TREATMENT
KW  - ENVIRONMENTAL PROTECTION
ER  -