TY  - BOOK
AU  - Davis,Richard
AU  - Rafik Hirji
TI  - Water quality : : wastewater treatment
AV  - IRA QTO TD345.E59 No.D.2 
PY  - 2003///
CY  - Washington D.C
PB  - The World Bank
KW  - Water quality
KW  -  Water treatment
KW  -  Water, Polluition
N1  - Includes index
ER  -