KEMPE, S.; HUBRICH, H.-P. Inscriptions of some historically known persons in Postojnska jama. Acta Carsologica, Ljubljana, Slovenija, v. 40, n. 2, 2011. DOI: 10.3986/ac.v40i2.22. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/22. Acesso em: 3 may. 2024.