Survey of native pastures in eastern Chad.
Touré Ibra, Forgiarini Giordano, Poissonet Jacques, Toutain Bernard, Dulieu Dominique.
1999.
In : People and rangelands, building the future. Elridge D. (ed.), Freudenberger D. (ed)
. Aitkenvalle : International Rangeland Congress, 711-712.
International Rangeland Congress. 6, Townsville, Australie, 19 Juillet 1999/23 Juillet 1999.