THOREZ, Pierre; JOLY, Oliver. Port Competition in the Northern Range from Le Havre to Hamburg. Promet - Traffic&Transportation, [S. l.], v. 18, n. 2, p. 77–82, 2006. Disponível em: https://traffic2.fpz.hr/index.php/PROMTT/article/view/2153. Acesso em: 28 aug. 2025.