TY  - BOOK
AU  - Botkin, Daniel B. 
AU  - Keller, Edward A.
TI  - Environmental science: earth as a living planet
SN  - 9788126520381
U1  - 373.7 B6579e6 
PY  - 2007///
CY  - New Delhi
PB  - Wiley
KW  - Environmental sciences
KW  - Human ecology
KW  - Biodiversity
KW  - Sustainable development
ER  -