López-Rojas, Mario, and Gerardo Carrasco-Núñez. 2018. “Depositional Facies and Migration of the Eruptive Loci for Atexcac Axalapazco (central Mexico): Implications for the Morphology of the Crater”. Revista Mexicana De Ciencias Geológicas 32 (3):377-94. https://doi.org/10.22201/cgeo.20072902e.2015.3.590.