TY  - BOOK
AU  - Ramade, F.
TI  - Ecology of natural resources
SN  - 0471901040
U1  - 333.7 21st ed.
PY  - 1981///
CY  - New York
PB  - John Wiley
KW  - Agriculture
KW  - Atmosphere
KW  - Ecology
KW  - Environmental economics
KW  - Forests
KW  - Grasslands
KW  - National parks
KW  - Natural resources
ER  -