SCHITTENHELM, B.; LANDEX, A. Danish Key Performance Indicators for Railway Timetables. Proceedings from the Annual Transport Conference at Aalborg University, [S. l.], v. 19, n. 1, 2012. DOI: 10.5278/ojs.td.v1i1.5618. Disponível em: https://journals.aau.dk/index.php/td/article/view/5618. Acesso em: 2 may. 2024.