TY  - BOOK
AU  - Botkin, Daniel A.
TI  - Environmental science
SN  - 9788126534142
U1  - 577 B6579e8 
PY  - 2012///
CY  - New Delhi
PB  - Wiley
KW  - Environmental sciences
KW  - Water pollution and treatment
KW  - Global warming
ER  -