Silveira, Marcilei Aparecida Guazzelli, L. L. Cardoso, and N. H. Medina. “Natural Radiation in Byproducts of the Production of Phosphoric Acid”. Brazilian Journal of Radiation Sciences 3, no. 1A (Suppl.) (May 21, 2015). Accessed December 26, 2024. https://bjrs.org.br/revista_33014/index.php/REVISTA/article/view/132.