(en + fr + de) Samuele Ghielmi, Michele Menegon, Stuart J. Marsden, Lorenzo Laddaga et Sylvain Ursenbacher, « A new vertebrate for Europe: the discovery of a range-restricted relict viper in the western Italian Alps », Journal of Zoological Systematics and Evolutionary Research, Wiley-Blackwell, vol. 54, no 3, , p. 161-173 (DOI10.1111/JZS.12138, lire en ligne)
(en) Freitas et al., « Evaluating taxonomic inflation: towards evidence-based species de-limitation in Eurasian vipers (Serpentes: Viperinae). », Amphibia-Reptilia, vol. 41, no 3, , p. 285-311 (DOI10.1163/15685381-bja10007)
(en) Speybroeck et al., « Species list of the European herpetofauna – 2020 update by the Taxonomic Committee of the Societas Europaea Herpetologica », Amphibia-Reptilia, vol. 41, no 2, , p. 139-189 (DOI10.1163/15685381-bja10010, lire en ligne)
(en) Doniol-Valcroze et al., « Conflicting relationships of Vipera walser inferred from nuclear genes sequences and mitochondrial DNA », Journal of Zoological Systematics and Evolutionary Research, vol. 59, no 8, , p. 2307-2320 (DOI10.1111/jzs.12543, lire en ligne)
(en) Sindaco, R., & Razzetti, E., « An updated check-list of Italian amphibians and reptiles », Natural History Sciences, vol. 8, no 2, , p. 35–46 (DOI10.4081/nhs.2021.519, lire en ligne)
doi.org
(en) Speybroeck et al., « Species list of the European herpetofauna – 2020 update by the Taxonomic Committee of the Societas Europaea Herpetologica », Amphibia-Reptilia, vol. 41, no 2, , p. 139-189 (DOI10.1163/15685381-bja10010, lire en ligne)
(en) Sindaco, R., & Razzetti, E., « An updated check-list of Italian amphibians and reptiles », Natural History Sciences, vol. 8, no 2, , p. 35–46 (DOI10.4081/nhs.2021.519, lire en ligne)
mmu.ac.uk
e-space.mmu.ac.uk
(en + fr + de) Samuele Ghielmi, Michele Menegon, Stuart J. Marsden, Lorenzo Laddaga et Sylvain Ursenbacher, « A new vertebrate for Europe: the discovery of a range-restricted relict viper in the western Italian Alps », Journal of Zoological Systematics and Evolutionary Research, Wiley-Blackwell, vol. 54, no 3, , p. 161-173 (DOI10.1111/JZS.12138, lire en ligne)
researchgate.net
(en) Doniol-Valcroze et al., « Conflicting relationships of Vipera walser inferred from nuclear genes sequences and mitochondrial DNA », Journal of Zoological Systematics and Evolutionary Research, vol. 59, no 8, , p. 2307-2320 (DOI10.1111/jzs.12543, lire en ligne)
unito.it
iris.unito.it
(en) « Estimating abundance and habitat suitability in a micro-endemic snake: the Walser viper », 2020, , p. 13 (lire en ligne)