Urrutia-Fucugauchi, J., S. Lozano-García, and M. Caballero-Miranda. “Palaeomagnetic and Palaeoenvironmental Studies in the Southern Basin of Mexico - II Late Pleistocene - Holocene Chalco Lacustrine Record”. Geofisica Internacional, vol. 34, no. 1, Jan. 1995, pp. 33-53, doi:10.22201/igeof.00167169p.1995.34.1.1272.