de Haro Barbás, B. F., Ríos, . V. H., Pérez Gómez, A. and Santillán, M. (2002) “Variations of total electron content during a magnetic storm”, Geofisica Internacional, 41(1), pp. 49–55. doi: 10.22201/igeof.00167169p.2002.41.1.260.