KORDIŠ, Tatjana. Threats to the karst spring Vir pri Stični – the classical locality of Proteus. Natura Sloveniae, Ljubljana, SI, v. 18, n. 1, p. 51–52, 2016. DOI: 10.14720/ns.18.1.51-52. Disponível em: https://journals.uni-lj.si/NaturaSloveniae/article/view/16751. Acesso em: 21 may. 2025.