Trape, J.-F., Chirio, L., Broadley, D. G. and Wüster, W. (2009) “Phylogeography and systematic revision of the Egyptian cobra (Serpentes: Elapidae: Naja haje) species complex, with the description of a new species from West Africa”, Zootaxa. Auckland, New Zealand, 2236(1), pp. 1–25. doi: 10.11646/zootaxa.2236.1.1.