Santos, R. S., F. A. Cavallaro, T. L. da S. Bernardes, R. A. Amadeu, R. H. L. Garcia, A. F. Velo, C. H. Mesquita, and M. M. Hamada. “ X-Ray Fluorescence (XRF) and the Industrial Computed Tomography Used for Characterization of the Vesicular Volcanic Rock”. Brazilian Journal of Radiation Sciences, vol. 9, no. 1A, Apr. 2021, doi:10.15392/bjrs.v9i1A.1523.