Gower, D. J., Wade, E. O. Z., Spawls, S., Böhme, W., Buechley, E. R., Sykes, D. and Colston, T. J. (2016) “A new large species of Bitis Gray, 1842 (Serpentes: Viperidae) from the Bale Mountains of Ethiopia”, Zootaxa. Auckland, New Zealand, 4093(1), pp. 41–63. doi: 10.11646/zootaxa.4093.1.3.