TY  - GEN
AU  - Gray, N.F.
TI  - Water technology : an introduction for scientists and engineers
SN  - 0340676450
PY  - 1999///
CY  - London
PB  - Arnold
KW  - WATER SUPPLY
KW  - WATER RESOURCES
KW  - WATER TREATMENT
KW  - SANITARY ENGINEERING
ER  -