VAUPOTIČ, J. Radon levels in karst caves in Slovenia. Acta Carsologica, Ljubljana, Slovenija, v. 39, n. 3, 2012. DOI: 10.3986/ac.v39i3.80. Disponível em: https://ojs.zrc-sazu.si/carsologica/article/view/80. Acesso em: 25 apr. 2024.