TY  - BOOK
AU  - Viessman, Warren.  
TI  - Water supply and pollution control
SN  - 9788120343702
U1  - 628.1 WAT  23
PY  - 2009///
CY  - New Delhi
PB  - PHI Learning, 
KW  - Sewerage
KW  - Purification
KW  - Water
KW  - Pollution
KW  - Prevention
N1  - Includes index
ER  -