Kangas, J., Pikkarainen, T., Golikov, Y., Baransky, L., Troitskaya, V., & Sterlikova, V. (1979). Bursts of irregular magnetic pulsations during the substorm. Journal of Geophysics, 46(1), 237-247. Retrieved from https://journal.geophysicsjournal.com/JofG/article/view/287