C. J. da Fonseca, C. L. De Oliveira, M. P. C. De Medeiros, E. H. F. Fonseca, and C. O. Baptista, “Thorium as a nuclear material: physics features and a safety analysis due to insertion of ThO2 in a PWR nuclear reactor fuel”, Braz. J. Rad. Sci., vol. 8, no. 3, Sep. 2020.