TY  - BOOK
AU  - Droste,Ronald L.
TI  - Theory and practice of water and wastewater treatment 
SN  - 9788126524242
U1  - 628.162 
PY  - 1997///
CY  - New York
PB  - J. Wiley
KW  - Water
KW  - Sewage
ER  -