Fearnley, Nils, and Jon-Terje Bekken. “Performance-Based Subsides: An Alternative Subsidy Regime for Passenger Rail Transport”. Proceedings from the Annual Transport Conference at Aalborg University 10, no. 1 (December 31, 2003). Accessed April 27, 2024. https://journals.aau.dk/index.php/td/article/view/4617.