L. Forró szerk.: Miscellanea Zoologica Hungarica 8. 1993 (Budapest, 1993)
Janisch, M.: A mutant form of the meadow viper (Vipera ursinii rakosiensis Méhely) from Hungary with a peculiar colour pattern
References Korsós, Z. (1992): The most threatened venomous snake of Europe, Vipera ursinii rakosiensis. - Természetvédelmi Közlemények 1: 83-88. Nilson, G. & Andren, C. (1986): The mountain vipers of the Middle East - The Vipera xanthina complex (Reptilia, Viperidae). - Bonner Zool Monogr., Nr. 20, 90 pp. Takács, Z., Korsós, Z. & Janisch, M. (1987): Conservation status of the endangered Vipera ursinii rakosiensis in Hungary. - In: Gelder, J J.van, Strijbosch, H. & Bergers, PJ.M: (eds): Proc. Fourth Ord Gen. Meet S.E.H., Nijmegen, pp. 391-394. Author's address: Miklós Janisch Department of Parasitology and General Zoology University of Veterinary Science H-1078 Budapest István u. 2. Hungary