TY  - BOOK
AU  - Droste, L Ronald
TI  - Theory and practice of water and wastewater treatment: Ronald L Droste
SN  - 9812530983
U1  - 628.162 D838t 
PY  - 2004///
CY  - Delhi
PB  - John Wiley & Sons (Asia)
KW  - Sewage --purification
KW  - wastewater treatment
ER  -