DŻALUK, A.; MALCZEWSKI, D.; ŻABA, J.; DZIUROWICZ, M. Laboratory measurements of natural radioactivity in selected igneous rocks of the Opava Mountains region. Geology, Geophysics and Environment, [S. l.], v. 41, n. 1, p. 73, 2015. DOI: 10.7494/geol.2015.41.1.73. Disponível em: https://journals.agh.edu.pl/geol/article/view/1457. Acesso em: 13 jul. 2024.