RAUN, Hans. Kombineret transport, barrierer og muligheder. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 1, n. 1, 1994. DOI: 10.54337/ojs.td.v1i1.3852. Disponível em: https://journals.aau.dk/index.php/td/article/view/3852. Acesso em: 6 dec. 2025.