Araujo Pradere, E. A. ., Menéndez, L. L. . y Durand Manterola, H. J. . (1996) «Morphological characteristics of ionospheric E layer over El Cerrillo station, Mexico during magnetically quiet conditions», Geofísica Internacional, 35(1), pp. 77–81. doi: 10.22201/igeof.00167169p.1996.35.1.1103.