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), pp. 263–281. doi: 10.22201/igeof.00167169p.1995.34.3.716.