Baria, R., Watanabe, S., Munita, C. S., Silva, P. C. S., & Tatumi, S. (2023). Levels of thorium, uranium and potassium in Brazilian geological sediment determined by gamma-ray spec-troscopy and instrumental neutron activation analysis. Brazilian Journal of Radiation Sciences, 10(3B (Suppl.). https://doi.org/10.15392/2319-0612.2022.1984 (Original work published December 4, 2022)