HVID, E. Etablering af miljøzoner i Danmark. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 5, n. 1, 1998. DOI: 10.5278/ojs.td.v5i1.4319. Disponível em: https://journals.aau.dk/index.php/td/article/view/4319. Acesso em: 27 apr. 2024.