Dibble, Harold L.; Aldeias, Vera; Jacobs, Zenobia; Olszewski, Deborah I.; Rezek, Zeljko; Lin, Sam C.; Alvarez-Fernández, Esteban; Barshay-Szmidt, Carolyn C.; Hallett-Desguez, Emily (). „On the industrial attributions of the Aterian and Mousterian of the Maghreb”. Journal of Human Evolution. 64 (3): 194–210. doi:10.1016/j.jhevol.2012.10.010. PMID23399349.
Dibble, Harold L.; Aldeias, Vera; Jacobs, Zenobia; Olszewski, Deborah I.; Rezek, Zeljko; Lin, Sam C.; Alvarez-Fernández, Esteban; Barshay-Szmidt, Carolyn C.; Hallett-Desguez, Emily (). „On the industrial attributions of the Aterian and Mousterian of the Maghreb”. Journal of Human Evolution. 64 (3): 194–210. doi:10.1016/j.jhevol.2012.10.010. PMID23399349.
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Background Notes for Niger: January 2009Arhivat în , la Wayback Machine. Bureau of African Affairs, United States State Department. Retrieved 26 February 2009. Portions of the "Economy" section are here used verbatim, as this document is in the public domain.