TY  - BOOK
AU  - Botkin Dniel 
AU  - Keller Edward A
TI  - Environmental Science: Earth as a living Planet/ (Acc: 6138)
SN  - 9780470414385
U1  - 363.7 BOT 
PY  - 2010///
CY  - Asia
PB  - John Willey & Sons Inc
KW  - environmental science
ER  -