De Santis, A., M. Chiappini, G. Dominici, and A. Meloni. “Regional Geomagnetic Field Modelling: The Contribution of the Istituto Nazionale Di Geofisica”. Annals of Geophysics 40, no. 5 (November 25, 1997). Accessed April 23, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3854.