Penner, J., Gonwouo, L. N., & Rödel, M.-O. (2013).

Second record of the West African hairy bush viper Atheris hirsuta Ernst & Rödel, 2002 (Serpentes: Viperidae)

. Zootaxa, 3694(2), 196–200. https://doi.org/10.11646/zootaxa.3694.2.9