NIELSEN, O. A.; THORLACIUS, P. Objektorienteret beskrivelse af kollektive trafiknet. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 7, n. 1, 2000. DOI: 10.5278/ojs.td.v7i1.4884. Disponível em: https://journals.aau.dk/index.php/td/article/view/4884. Acesso em: 28 apr. 2024.