1.
Rosa G, Ferreira A de O, Rodriguez DG, Bastos RO. Determination of the activity concentration of 226Ra, 232Th, 40K and the concentration of 222Rn in soil samples of the Campos Gerais region (ParanĂ¡). Braz. J. Rad. Sci. [Internet]. 2021 Apr. 30 [cited 2024 Dec. 25];9(1A). Available from: https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/1240