TY  - BOOK
AU  - HAMMAR, MARK J
AU  - HAMMER, MARK J
TI  - Water and wastewater technology
SN  - 9788120334991
U1  - 628.1 
PY  - 2008///
CY  - NEW DELHI
PB  - Prentice Hall of India
KW  - Sewage disposal
KW  - Water-supply engineering
KW  - Water quality management
KW  - Sewage--Purification
ER  -