TY  - BOOK
AU  - Botkin, Daniel B.
AU  - Botkin, Daniel B.
TI  - Environmental studies: The earth as a living planet
SN  - 0-675-09813-0
U1  - 574.5 
PY  - 1982///
CY  - Columbus
PB  - Charles E. Merrill Publishing Company
ER  -