E. L. C. da Costa, J. D. R. L. Gomes, R. dos S. Gomes, M. L. de L. Costa, and Z. D. Thomé Filho, “The regulatory control over radiation sources: the Brazilian experience and some lessons learned from industrial applications”, Braz. J. Rad. Sci., vol. 7, no. 2A (Suppl.), Feb. 2019.