NGUYEN, C. D.; KOPEĆ, M.; NOWAK, J. Factors controlling 226Ra, 228Ra and their activity ratio in groundwater – an application in Polish Carpathian mineral waters. Geology, Geophysics and Environment, [S. l.], v. 42, n. 3, p. 337, 2017. DOI: 10.7494/geol.2016.42.3.337. Disponível em: https://journals.agh.edu.pl/geol/article/view/2020. Acesso em: 25 apr. 2024.