Martin, Aline Cristina, Sergei Anatolyevich Paschuk, Janine Nicolosi Corrêa, Flávia Del Claro, and Oderson Antônio de Souza Filho. “Evaluation of Radon, Radium and Gamma Radiation at the Environmental Preservation Area of Passaúna River, Brazil”. Brazilian Journal of Radiation Sciences 9, no. 1A (April 30, 2021). Accessed December 25, 2024. https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/1525.