D. J. Morán-Zenteno, A. Monter-Ramírez, E. Centeno-García, L. A. Alba-Aldave, and J. Solé, “Stratigraphy of the Balsas Group in the Amacuzac area, southern Mexico: relationship with Eocene volcanism and deformation of the Tilzapotla-Taxco sector”, revmexcg, vol. 24, no. 1, pp. 68–80, Feb. 2018.