Mersmann, U., W. Baumjohann, F. Kuppers, and K. Lange. “Analysis of an Eastward Electrojet by Means of Upward Continuation of Ground-Based Magnetometer Data”. Journal of Geophysics 45, no. 1 (December 22, 1978): 281-298. Accessed September 22, 2025. https://journal.geophysicsjournal.com/JofG/article/view/179.