Nielsen, Otto Anker, Dorte Filges, Anders Kaas, Per Thorlacius, Thomas Israelsen, Erik Rude Nielsen, Bo Grevy, y Jens Brix. «København-Ringsted Modelkomplekset: Fra Togmodulering Til samfundsøkonomi». Proceedings from the Annual Transport Conference at Aalborg University 6, no. 1 (diciembre 31, 1999). Accedido julio 3, 2024. https://journals.aau.dk/index.php/td/article/view/4423.