TY  - BOOK
AU  - Gray, N. F
TI  - Water technology: an introduction for environmental scientists and engineers (2nd ed.)
SN  - 0750666331
AV  - TD 426 Gra 
PY  - 2005///
CY  - Oxford
PB  - Elsevier
KW  - WATER
KW  - WATER-SUPPLY ENGINEERING
ER  -