1. Ananjeva, N.B., Borkin, L.J., Darevsky, I.S., Orlov N.L., 1998. Amphibia and Reptiles. Encyclopaedia of Nature of Russia. ABF, Moscow, pp. 538–560 (in Russian).
2. Bakiev, A., Boehme, W., Joger, U., 2005. Vipera (pelias)[berus] nikolskii Vedmederya, Grubant und Rudaeva, 1986—Waldsteppenort. In: Joger, U., Stuempel, N. (Eds.), Handbuch der Reptilien und Amphibien Europas. AULA-Verlag GmbH, Wiebelsheim, pp. 293–309.
3. Biological and biochemical activities of Vipera berus (European viper) venom;Calderon;Toxicon,1993
4. Offshore insular variation in the diet of the Taiwanese bamboo viper Trimeresurus stejnegeri (Schmidt);Creer;Zool. Sci.,2002
5. Diet and snake venom evolution;Daltry;Nature,1996