TY  - BOOK
AU  - Owen,Oliver S.
AU  - Chiras,Daniel D
TI  - Natural Resource Conservation : An Ecological Approach
SN  - 002390111x
AV  - S938 O87 N5 1990
PY  - 1990///
CY  - New York
PB  - Macmillan
KW  - Environmental protection
KW  - United States
KW  - Conversation of natural resources
KW  - Ecology
ER  -