TY  - BOOK
AU  - Trivedi,Priya Ranjan
TI  - International encyclopaedia of ecology & environment:  Water pollution 
SN  - 81 7456 000 9
U1  - 301.31/TRI 
PY  - 1995///
CY  - New Delhi
PB  - Indian Institute of Ecology & Environment
KW  - Ecology - Encyclopaedia
KW  - Environment - Encyclopaedia
ER  -