Dávalos-Álvarez, Oscar Gabriel, et al. “Cenozoic Stratigraphy of the Tehuacán Region and Its Relationship With the Northern Sector of the Oaxaca Fault”. Revista Mexicana De Ciencias Geológicas, vol. 24, no. 2, Feb. 2018, pp. 197-15, https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/738.