Manenti, Raoul, Gentile F. Ficetola, Barbara Bianchi, and Fiorenza De Bernardi. 2009. “Habitat Features and Distribution of <i>Salamandra salamandra</I> in Underground Springs”. Acta Herpetologica 4 (2):143-51. https://doi.org/10.13128/Acta_Herpetol-3416.