TY  - GEN
AU  - Botkin,  Daniel B
AU  - Keller, Edward A
TI  - Environmental science 
SN  - 9788126534142
PY  - 2012///
CY  - New Delhi
PB  - John Wiley & Sons
KW  - Environmental science
KW  - Environmental economics
KW  - Wild life and Forests
KW  - Renewable energy sources
ER  -