TY  - BOOK
AU  - Singh, J.S.
AU  - Gupta, S.R.
AU  - Singh, S.P.
TI  - Ecology environment and resource conservation
SN  - 8188342556
U1  - 574.522 
PY  - 2006///
CY  - New Delhi
PB  - Anamaya
KW  - Environmental sciences
KW  - Population biology
ER  -