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Baria, R.; Watanabe, S.; Munita, C. S.; Silva, P. C. S.; Tatumi, S. Levels of Thorium, Uranium and Potassium in Brazilian Geological Sediment Determined by Gamma-Ray Spec-Troscopy and Instrumental Neutron Activation Analysis. Braz. J. Rad. Sci. 2023, 10.