Cavazos-Álvarez, J., and G. Carrasco-Núñez. “Effective Mapping of Large Ignimbrites by Using a GIS-Based Methodology; Case of the Xáltipan Ignimbrite from Los Humeros Caldera, Mexico”. Terra Digitalis, Vol. 3, no. 2, Oct. 2019, pp. 1-8, doi:10.22201/igg.25940694.2019.2.65.