Folchi Vici D'Arcevia, Clemente Stefano, et al. “Deep-Seated Gravitational Slope Deformations in the Central-Southern Umbro-Marchean Apennines: Morphometric and Macrostructural Analyses”. Geografia Fisica E Dinamica Quaternaria, vol. 19, no. 2, July 2024, pp. 335-41, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/597.