TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - Special readings in conservation
SN  - 9251006156
U1  - 333.716 21st ed.
PY  - 1980///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Conservation of natural resources
KW  - Environmental protection
KW  - Natural resources
ER  -