ZUPANČIČ, N.; ŠEBELA, S.; MILER, M. Mineralogical and chemical characteristics of black coatings in Postojna cave system. Acta Carsologica, Ljubljana, Slovenija, v. 40, n. 2, 2011. DOI: 10.3986/ac.v40i2.15. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/15. Acesso em: 18 jul. 2024.