Template:Cherlin, 1990
- Cherlin, V.A. 1990. Таксономическая ревизия змей рода Echis (Viperidae). II. Анализ таксономии и описание новых форм [Taxonomic revision of the snake genus Echis (Viperidae). II. An analysis of taxonomy and description of new forms] (in Russian). Proceedings of the Zoological Institute, USSR Academy of Science 207: 193–223.