TY  - BOOK
AU  - Gray,N.F.
TI  - Water technology: an introduction for environmental scientists and engineers 
SN  - 8131202127 (pbk. )
PY  - 2005///
CY  - Oxford
PB  - Elsevier Butterworth-Heinemann
KW  - Water-supply
KW  - Water-supply engineering
KW  - Aquatic biology
N1  - Includes index; Includes bibliographical references
ER  -