Szczuraszek, Tomasz, Jacek Chmielewski, Jan Kempa, and Grzegorz Bebyn. “Transportation Behavior of People in City Area”. Roads and Bridges - Drogi i Mosty 4, no. 1 (April 1, 2005): 75–90. Accessed November 24, 2024. https://rabdim.pl/index.php/rb/article/view/v4n1p75.