Lu, Xi, Zhuanglin Ma, Steven I-Jy Chien, and Ying Xiong. “Development of a Partial Proportional Odds Model for Pedestrian Injury Severity at Intersections”. Promet - Traffic&Transportation 32, no. 4 (July 23, 2020): 559-571. Accessed August 13, 2020. http://traffic.fpz.hr/index.php/PROMTT/article/view/3428.