Marín-Leyva, Alejandro H., Joaquín Arroyo-Cabrales, María Luisa García-Zepeda, Javier Ponce-Saavedra, Peter Schaaf, Víctor Adrían Pérez-Crespo, Pedro Morales-Puente, Edith Cienfuegos-Alvarado, and María Teresa Alberdi. 2017. “Feeding Ecology and Habitat of Late Pleistocene Equus Horses from West-Central Mexico Using Carbon and Oxygen Isotopes Variation”. Revista Mexicana De Ciencias Geológicas 33 (2). https://doi.org/10.22201/cgeo.20072902e.2016.2.493.