Crosta, Giovanni, and Carlo Alberto Garzonio. “Subsidence and Slope Deformation Phenomena in the Gavorrano Mining Area (Tuscany, Italy)”. Geografia Fisica e Dinamica Quaternaria 19, no. 2 (December 31, 1996): 315–323. Accessed October 22, 2026. https://gfdq.glaciologia.it/index.php/GFDQ/article/view/595.