TROCHE, Gerhard. Trafikeringsstrategier för olika marknader. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 4, n. 1, 1997. DOI: 10.5278/ojs.td.v4i1.4035. Disponível em: https://journals.aau.dk/index.php/td/article/view/4035. Acesso em: 25 jun. 2024.