Erdősi, Ferenc, Zoltán Gál, Christoph Gipp, and Viktor Varjú. “Path Dependency or Route Flexibility in Demand Responsive Transport? The Case Study of TWIST Project”. Discussion Papers, no. 59 (July 4, 2012): 7–68. Accessed October 3, 2025. http://www.discussionpapers.rkk.hu/index.php/DP/article/view/2364.