«Thorium, Uranium and Potassium Levels in Brazilian Geological Sediment As Determined by Gamma-Ray Spectroscopy and Instrumental Neutron Activation Analysis». Brazilian Journal of Radiation Sciences (BJRS) 10, no. 3B (Suppl.) (diciembre 4, 2022). Accedido julio 18, 2025. https://bjrs.org.br/revista/index.php/REVISTA/article/view/1984.