TY  - BOOK
AU  - Sengupt, Ramprasad
TI  - Ecology and economics: An approach to sustainable development 
SN  - 019566213
U1  - 577 
PY  - 2001///
CY  - New delhi
PB  - Oxford University Press
KW  - Ecology
KW  - Ecosystem
KW  - Biosphere
ER  -