TY  - BOOK
AU  - Gorse,Jean Eugene
AU  - Steeds,David R
ED  -  World Bank
TI  - Desertification in the sahelian and sudanian zones of west Africa / Jean Eugene Gorse and David R.Steeds
CY  - Washington,D.C
KW  - Desertification - sahel
KW  - Economic of land
ER  -