Parbo, Jens, Otto Anker Nielsen, Carlo Prato, and Alex Landex. 2013. “Kvantificering Samt Forbedring Af Robusthed Og Punktlighed I Jernbanetransport: En Gennemgang Af Litteraturen”. Proceedings from the Annual Transport Conference at Aalborg University 20 (1). https://doi.org/10.5278/ojs.td.v1i1.5681.