TY  - BOOK
AU  - Botkin,Daniel B.
AU  - Keller,Edward A.
TI  - Environmental science: earth as a living planet 
SN  - 9971512742
U1  - 363.7 B749 1998 
PY  - 1998///
CY  - New York
PB  - John Wiley & Sons, Inc.
KW  - Environmental sciences
N1  - Includes appendices, glossary and index
ER  -