TY  - BOOK
AU  - Hammer, Mark J
AU  - Hammer, Mark J
TI  - Water and waste-water technology: Mark J. Hammer
SN  - 9788120334991
U1  - 628.1 H1823w6 
PY  - 2008///
CY  - New delhi
PB  - Prentice-Hall
KW  - Sewage disposal
KW  - Sewage--Purification
KW  - Water quality management
ER  -