Amadeu, R. de A., Bernardes, T. L. da S., Santos, R. S., Garcia, R. H. . L., Velo, A. F., Cavallaro, F. A., Mesquita, C. H., & Hamada, M. M. (2021). Characterization of the petrology of the tar sandstone rock of the Paraná basin. Brazilian Journal of Radiation Sciences, 9(1A). https://doi.org/10.15392/bjrs.v9i1A.1585