TY  - BOOK
AU  - Botkin, Daniel B.
AU  - Keller, Edward A.
TI  - Environmental science: earth as a living planet
SN  - 0471111619
U1  - 577 21st ed.
PY  - 1995///
CY  - New York
PB  - John Wiley
KW  - Biodiversity
KW  - Ecology
KW  - Environmental sciences
KW  - Human ecology
KW  - Wild life
N1  - Index: pp 668-78
ER  -