ELMI, Carlo; BERTONI, Werter; MARABINI, Francesco. The natural and man-induced subsidence of the Ravenna area, Po Plain. Geografia Fisica e Dinamica Quaternaria, [S. l.], v. 7, p. 137–143, 2005. Disponível em: https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/1278.. Acesso em: 25 apr. 2026.