López Fuentes, M.C., Mandrini, C.H., Rovira, M.G. and Démoulin, P. 2000. The 3B/X3 solar flare of 27 February 1992. Geofisica Internacional. 39, 1 (Jan. 2000), 65–71. DOI:https://doi.org/10.22201/igeof.00167169p.2000.39.1.298.