TY  - BOOK
AU  - Hammer,Mark J, Hammer, Mark J.JR
AU  - x
TI  - Water and wastewater technology: x
SN  - 8120321081
U1  - 621.20422/H224w 
PY  - 2003///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Waste water technology engineering
KW  - Engineering
N1  - Includes
ER  -