TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
ED  - United Nations Environment Programme. Environment Management Service.
TI  - Guidelines for the control of soil degradation
SN  - 9251014043 (pbk.)
PY  - 1983///
CY  - Rome
PB  - United Nations Environment Programme
KW  - Soil conservation
KW  - Soil degradation
N1  - "M-57"--T.p. verso
ER  -