BALLESTRAZZI, R. “The Valli in Marano and Grado Lagoon: Historical Aspects and Productive Topics”. Gjornâl Furlan Des Siencis - Friulian Journal of Science, vol. 22, no. 22, June 2016, pp. 83-90, https://www.gfs-fjs.net/index.php/gsf/article/view/221.