FLOREA, L. J. Isotopes of Carbon in a Karst Aquifer of the Cumberland Plateau of Kentucky, USA. Acta Carsologica, Ljubljana, Slovenija, v. 42, n. 2-3, 2010. DOI: 10.3986/ac.v42i2-3.668. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/668. Acesso em: 5 may. 2024.