LANDEX, A.; NIELSEN, O. A. Network Effects in Railways. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 14, n. 1, 2007. DOI: 10.5278/ojs.td.v14i1.5290. Disponível em: https://journals.aau.dk/index.php/td/article/view/5290. Acesso em: 28 apr. 2024.