TY  - BOOK
AU  - Singh, J. S., Singh, S. P., and Gupta, S. R.
TI  - Ecology
SN  - 9789383746002
PY  - 2014///
CY  - New Delhi
PB  - S. Chand & Company Pvt. Ltd.
KW  -  
KW  - Environmental Science
ER  -