PETROPOULOS, N.; ARGYROU, S. Measuring radon concentrations in air at the progeny non-secular equilibrium time frame. HNPS Advances in Nuclear Physics, [S. l.], v. 29, p. 220–223, 2023. DOI: 10.12681/hnpsanp.5131. Disponível em: https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/5131. Acesso em: 3 may. 2024.