ARNOLD, E. N.; BURTON, J. A. A Field Guide to the Reptiles and Amphibians of Britain and Europe. Ilustrace D. W. Ovenden. London: Collins, 1978. Dostupné online. ISBN0-00-219318-3. (anglicky)
CONSOLE, Giulia; IANNELLA, Mattia; CERASOLI, Francesco. A European perspective of the conservation status of the threatened meadow viper Vipera ursinii (BONAPARTE, 1835) (Reptilia, Viperidae). Wildlife Biology. 2020-05, roč. 2020, čís. 2. Dostupné online [cit. 2022-08-12]. ISSN0909-6396. DOI10.2981/wlb.00604.
coe.int
conventions.coe.int
Convention on the Conservation of European Wildlife and Natural Habitats, Appendix II [online]. Council of Europe [cit. 2015-05-10]. Dostupné online. (angličtina)
doi.org
dx.doi.org
CONSOLE, Giulia; IANNELLA, Mattia; CERASOLI, Francesco. A European perspective of the conservation status of the threatened meadow viper Vipera ursinii (BONAPARTE, 1835) (Reptilia, Viperidae). Wildlife Biology. 2020-05, roč. 2020, čís. 2. Dostupné online [cit. 2022-08-12]. ISSN0909-6396. DOI10.2981/wlb.00604.
iucnredlist.org
apiv3.iucnredlist.org
The IUCN Red List of Threatened Species 2022.2. 9. prosince 2022. Dostupné online. [cit. 2023-01-02].
worldcat.org
CONSOLE, Giulia; IANNELLA, Mattia; CERASOLI, Francesco. A European perspective of the conservation status of the threatened meadow viper Vipera ursinii (BONAPARTE, 1835) (Reptilia, Viperidae). Wildlife Biology. 2020-05, roč. 2020, čís. 2. Dostupné online [cit. 2022-08-12]. ISSN0909-6396. DOI10.2981/wlb.00604.