TY  - BOOK
AU  - Hammer, Mark J.
AU  - Hammer, Mark J. Jr.
TI  - Water and wastewater technology
SN  - 8120330285
U1  - 628 
PY  - 2006///
CY  - New Delhi
PB  - Prentice Hall of India Pvt. Ltd.
KW  -  
ER  -