Aguillón Robles, A., Tristán González, M., López Doncel, R. A., García Arreola, M. E., Almaguer Rodríguez., J. de L., & Maury, R. C. (2012). Trace elements geochemistry and origin of volcanic units from the San Luis Potosí and Río Santa María volcanic fields, Mexico: The bearing of ICP-QMS data. Geofisica Internacional, 51(3), 293-­308. https://doi.org/10.22201/igeof.00167169p.2012.51.3.1198