COLE, S.; HOLVAD, T.; O’HIGGINS, T.; GOMMERS, M. Evaluation of rail services. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 4, n. 1, 1997. DOI: 10.5278/ojs.td.v4i1.4034. Disponível em: https://journals.aau.dk/index.php/td/article/view/4034. Acesso em: 27 apr. 2024.