Pennacchioni E, Vivalda P. Variazioni morfologiche e granulometriche annuali di tre spiagge ghiaiose del litorale marchigiano meridionale : Annual morphology and granulometry variations of three pebble beaches of the Southern Marche (Central Italy). Geog. Fis. Dinam. Quat. [Internet]. 1985 Jun. 30 [cited 2025 Apr. 3];8(1):23-4. Available from: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/917