TY  - GEN
AU  - Botkin,Daniel B.
AU  - Keller,Edward A.
TI  - Environmental science: earth as a living planet 
SN  - 9780470917817 (pbk.)
AV  - GE105 .B68 2011
U1  - 363.7 
PY  - 2011///
CY  - Hoboken, NJ
PB  - Wiley
KW  - Environmental sciences
KW  - Human ecology
N1  - Includes references & index
ER  -