Gregori L. Geomorfologia e neotettonica dell’area di Colfiorito (Umbria): Geomorphology and neotectonics of Colfiorito area (Umbria, Italy). Geog. Fis. Dinam. Quat. 1990;13(1):43-52. Accessed July 26, 2026. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/800