TY  - BOOK
AU  - Nath, K. J. and De, S. B.
TI  - Water quality surveillance
U1  - 333.91 
PY  - 1991///
CY  - Bangalore
PB  - ; All India Council For Technical Education
KW  - Environmental Science
KW  - Water Quality Surveillance
KW  - Water Resources
ER  -