TY  - RE
ED  - National Research Council. Advisory committee on the Sahel
TI  - Environmental change in West African Sahel; resource management for arid and semiarid regions
PY  - 1984///
CY  - Washington, DC (USA)
PB  - National Academy Press, 
KW  - Arid zones
KW  - Environmental policies
KW  - Sahel
ER  -