TY  - BOOK
AU  - OWEN,Oliver S., x.
AU  - x
TI  - Natural resource conservation: an Ecological Approach
SN  - x
U1  - 333.720973/OWN(2) 
PY  - 1975///
CY  - N. Y.
PB  - Macmillan pub
KW  - NATURAL RESOURCES
ER  -