TY  - BOOK
AU  - Owen,Oliver S.
TI  - Natural resource conservation: An ecological approach 
SN  - 0023900202
PY  - 1980///
CY  - New York, London
PB  - Macmillan ;, Collier Macmillan,.
KW  - Conservation of natural resources
KW  - United States
KW  - Ecology
KW  - Environmental protection
ER  -