Dramis, Francesco, et al. “Osservazioni Geomorfologiche Sui Calanchi Marchigiani: Geomorphological Observations on Badlands in the Marche Region”. Geografia Fisica E Dinamica Quaternaria, vol. 5, no. 1, July 2024, pp. 38-45, https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/964.