TY  - GEN
AU  - Gray , N.F.
TI  - Water technology: an introduction for scientists and engineers
SN  - 9788176491532
U1  - 553.7 
PY  - 1999///
CY  - New Delhi
PB  - Viva Books 
KW  - FRESHWATER QUALITY
KW  - WATER TECHNOLOGY
KW  - WATER RELATED LEGISLATION
KW  - POLLUTION AND MANAGEMENT
KW  - HYDROBIOLOGY
KW  - WATER RESOURCES
ER  -