Calibration of Solid State Nuclear Track Detectors CR-39 for radon study in a high concentration underground mines. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 9, n. 1A, 2021. DOI: 10.15392/bjrs.v9i1A.1533. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/1533.. Acesso em: 3 may. 2024.