TY  - BOOK
AU  - Gray, N. F.
TI  -  Water technology: an introduction for environmental scientists a nd engineers 
SN  - 9781856177054
U1  - 628.1 22
PY  - 2010///
CY  - Amsterdam,  Boston,  London
PB  - Butterworth-Heinemann, Co -published by IWA Pub.
KW  - Water- supply
KW  - Water-supply engineering
KW  - Aquatic biology
N1  - Includes bibliographical references and index
ER  -