TY  - BOOK
AU  - Singh J S
AU  - S P Singh
AU  - S R Gupta
TI  - Ecology environment and resource conservaation
SN  - 8188342556
U1  - 557 
PY  - 2008///
CY  - New Delhi
PB  - Anamaya publishers
KW  - Water pollution
KW  - Ecotoxicology
KW  - Biodiversity
ER  -