Papi, Federica, et al. “Analysis of the Skull of Proteus Anguinus Anguinus by High-Resolution X-Ray Computed Microtomography”. Natura Sloveniae, translated byLucia Mancini, vol. 20, no. 2, Dec. 2018, pp. 43-45, https://doi.org/10.14720/ns.20.2.43-45.