TY  - BOOK
AU  - Viessman, Warren.
AU  - Chadik, Paul A.
AU  - Hammer, Mark J.
AU  - Perez, Elizabeth M.
TI  - Water supply and pollution control
SN  - 9788120343702
U1  - 628.1 
PY  - 2009///
CY  - New Delhi: 
PB  - PHI Learning Pvt.Ltd., 
KW  - Chemical quality
KW  - Engineering
KW  - Hydrologic cycle
KW  - Water management
ER  -