Besch , Thomas, et al. «Assimilation of Sialic Crustal Material by Volcanics of the Easternmost Extension of the Trans-Mexican Volcanic Belt Evidence from Sr and Nd Isotopes». Geofísica Internacional, vol. 34, n.º 3, julio de 1995, pp. 263-81, doi:10.22201/igeof.00167169p.1995.34.3.716.