TY  - BOOK
AU  - Botkin, Daniel B.
AU  - Keller, Edward A.
TI  - Environmental science: _
SN  - 9788126534142
U1  - 363.7 
PY  - 2013///
CY  - New Delhi
PB  - Wiley India
KW  - 
KW  - Environmental sciences
KW  - Biodiversity
N1  - Includes glossary, notes and index
ER  -