TY  - BOOK
AU  - Ungar,E.D.
TI  - Management of agropastoral systems in a semiarid region
SN  - 902200947
PY  - 1990///
CY  - Wageningen
PB  - Pudoc
KW  - Farm management
KW  - Case studies
KW  - Arid regions agriculture
KW  - simulation methods
KW  - Grazing districts
ER  -