De Santis, A., C. Falcone, and F. J. Lowes. “Remarks on the Mean-Square Values of the Geomagnetic Field and Its Components”. Annals of Geophysics 38, no. 2 (November 25, 1995). Accessed April 14, 2026. https://www.annalsofgeophysics.eu/index.php/annals/article/view/4117.