Taxonomic revision of the snake genus Echis (Viperidae). 1. An analysis of the history of study and synonymy. Trudy Zoologicheskogo Instituta, 207 1990: 175-192, 234. 189 [Zoological Record Volume 129]
Taxonomic revision of the snake genus Echis (Viperidae). 2. An analysis of taxonomy and description of new forms. Trudy Zoologicheskogo Instituta, 207 1990: 193-223, 235. 213 [Zoological Record Volume 129]