ŁANGOWSKI, Ryszard. The development of the Port of Szczecin in the years 1945–1960. Studia Historiae Oeconomicae, [S. l.], v. 1, n. 1, p. 211–224, 1967. DOI: 10.14746/sho.1967.01.1.010. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/56924. Acesso em: 3 oct. 2026.