TY  - GEN
AU  - Botkin, Daniel B.
AU  - Edward A. Keller
TI  - Environmental science
SN  - 0471157821
PY  - 1997///
CY  - Canada:  
PB  - John Wiley & Sons
KW  - Environmental sciences.
KW  - .
KW  - Environmental sciences - Case studies
KW  - Human ecology
KW  - Biological diversity.
ER  -