WESTERLUND, Y.; STÅHL, A.; CARLSSON, G.; STÅLNER, B. Servicelinje eller flextrafik – när, var, hur?. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 11, n. 1, 2004. DOI: 10.5278/ojs.td.v11i1.4961. Disponível em: https://journals.aau.dk/index.php/td/article/view/4961. Acesso em: 29 apr. 2024.