TY  - BOOK
AU  - Botkin,Daniel B.
AU  - Keller,Edward A.
TI  - Environmental science: earth as a living planet 
SN  - 0471321737 (acidfree paper)
U1  - 363.7 BOT 23
PY  - 2000///
CY  - New York
PB  - J. Wiley
KW  - Environmental sciences
KW  - Case studies
KW  - Human ecology
N1  - Includes index
ER  -