Rich, Jeppe Husted, Otto Anker Nielsen, and Jan Holm. 2002. “Portzone Model for Øresundsregionen: – Fremskrivning Af Trafikpotentialet for Ny Togtunnel Mellem Helsingør-Helsingborg”. Proceedings from the Annual Transport Conference at Aalborg University 9 (1). https://doi.org/10.5278/ojs.td.v9i1.4556.