1.
Ortolani M, Alfieri N. Sur l´évolution morphologique de l´ancien delta du Pô. ERDKUNDE [Internet]. 1965 Nov. 30 [cited 2024 Oct. 8];19(4):325-31. Available from: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1480