Olszewski, Piotr, Witold Czajewski, Paweł Dąbkowski, and Piotr Szagała. “Safety Assessment of Pedestrian Crossing Solutions”. Budownictwo i Architektura 13, no. 4 (December 9, 2014): 177–184. Accessed July 22, 2024. https://ph.pollub.pl/index.php/bia/article/view/1758.