TY  - BOOK
AU  - Botkin, Davied B.
AU  - Keller, Edward A.
TI  - Environmental studies: the earth as a living planet
SN  - 9780675098137
U1  - 910 
PY  - 1982///
CY  - Columbus
PB  - Charles E Merrill
KW  - Geography
ER  -