Perdigão, António Manuel Machado, and Nuno José Quintino Rogado. 2024. “Soils and Geomorphological Development of the Haff Delta of the Vouga River (Portugal)”. Geografia Fisica E Dinamica Quaternaria 12 (1): 59-61. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/828.