Schnegg, P. A. “Electrical Structure of Plaine Des Sables Caldera, Piton De La Fournaise Volcano (Reunion Island)”. Annals of Geophysics 40, no. 2 (November 25, 1997). Accessed March 29, 2024. https://www.annalsofgeophysics.eu/index.php/annals/article/view/3913.