García-Abdeslem, J. and López Guzmán, M. (2009) “A suggested reverse geomagnetic polarity event from the Panga de Abajo magnetic anomalies in Mexicali Valley, Baja California, Mexico”, Geofisica Internacional, 48(3), pp. 279–296. doi: 10.22201/igeof.00167169p.2009.48.3.26.