Szirmai, Viktória, András A. Gergely, Gabriella Baráth, Balázs Molnár, and Ákos Szépvölgyi. “The City and Its Environment: Competition and/Or Co-Operation? (A Hungarian Case Study)”. Discussion Papers, no. 41 (July 3, 2012): 5–33. Accessed June 28, 2022. https://discussionpapers.rkk.hu/index.php/DP/article/view/2213.