TY  - GEN
AU  -  Botkin, Daniel B.
AU  -  Edward A Keller
TI  - Environmental science : : Earth as a living planet
SN  - 0471545481 
AV  - GE105.BOT 2000 
PY  - 1995///
CY  - New York
PB  -  Wiley
KW  - Environmental sciences -- Case studies
N1  - lncludes index
ER  -