Uribe-Cifuentes, R.M. y Urrutia-Fucugauchi, J. 1999. Paleomagnetic study of the Valle de Santiago volcanics, Michoacán-Guanajuato volcanic field, Mexico. Geofísica Internacional. 38, 4 (oct. 1999), 217–230. DOI:https://doi.org/10.22201/igeof.00167169p.1999.38.4.504.