TY  - BOOK
AU  - BOTKIN,Daniel B.
AU  - KELLER, Edward A.
TI  - Environmental science: earth as a living planet
SN  - 0471389145
PY  - 2003///
CY  - New York 
PB  - John Wiley & Sons
KW  - Environmental science
N1  - Includes bibliographical references and index
ER  -