TY  - BOOK
AU  - Owen,Oliver S..
TI  - Natural resource conservation : an ecological approach / 
SN  - 0023901004
U1  - 333.72 
PY  - 1985///
CY  - New York : 
PB  - Macmillan , 
KW  - CONSERVATION OF NATURAL RESOURCES
N1  - NULL
ER  -