Rich, Jeppe Husted, Otto Anker Nielsen, and Jan Holm. “Portzone Model for Øresundsregionen: – Fremskrivning Af Trafikpotentialet for Ny Togtunnel Mellem Helsingør-Helsingborg”. Proceedings from the Annual Transport Conference at Aalborg University 9, no. 1 (December 31, 2002). Accessed May 9, 2024. https://journals.aau.dk/index.php/td/article/view/4556.