Cassinello, J. (1998). Ammotragus lervia: a review on systematics, biology, ecology and distribution. Annales Zoologici Fennici 35: 149-162
Wacher, T., Baha El Din, S., Mikhail, G. & Baha El Din, M. (2002). New observations of the "extinct" Aoudad Ammotragus lervia ornata in Egypt. Oryx 36: 301–304.
