Besch , T., Verma, S.P., Kramm, U., Negendank, J.F.W., Tobschall, H.J. y Emmermann, R. 1995. 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. 34, 3 (jul. 1995), 263–281. DOI:https://doi.org/10.22201/igeof.00167169p.1995.34.3.716.