JUŽNIČ, S. Gruberʼs Karst Research. Acta Carsologica, Ljubljana, Slovenija, v. 33, n. 2, 2016. DOI: 10.3986/ac.v33i2.305. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/305. Acesso em: 5 may. 2024.