de Haro Barbás, B. F., V. H. Ríos, A. Pérez Gómez, and M. Santillán. 2002. “Variations of Total Electron Content During a Magnetic Storm”. Geofisica Internacional 41 (1):49-55. https://doi.org/10.22201/igeof.00167169p.2002.41.1.260.