Barreto RC, Perna AFN, Narloch DC, Del Claro F, Correa JN, Paschuk SA. Determining radium-226 concentration from radon-222 emanation in building materials: a theoretical model. Braz. J. Rad. Sci. [Internet]. 2019 Feb. 6 [cited 2024 Dec. 26];7(2A (Suppl.). Available from: https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/550