JØRGENSEN, F.; SOLVOLL, G.; WELDE, M. Gratis ferger - stor og omstridt transportreform i Norge. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 13, n. 1, 2006. DOI: 10.5278/ojs.td.v13i1.5235. Disponível em: https://journals.aau.dk/index.php/td/article/view/5235. Acesso em: 2 may. 2024.