TY  - GEN
AU  - Gopal, Kirshana
TI  - Water and wastewater 
SN  - 9788131302620 (hbk).
AV  - TD346 .D38 2010
U1  - 628.1 
PY  - 2007///
CY  - New Delhi
PB  - A.P.H Publishing Corporation
KW  - Sewage
KW  - Purification
KW  - Water
KW  - Water-supply
N1  - Includes index
ER  -