TY  - BOOK
AU  - Hammer,Mark J.
AU  - Hammer,Mark J.
TI  - Water and wastewater technology
SN  - 812031378X
AV  - TD345 .H25 1998
U1  - 628.1 
PY  - 1998///
CY  - New Delhi
PB  - Prentice Hall
KW  - Environment
KW  - Wastewater
KW  - Water purification
ER  -