Sun, Lishan, Qingsheng Gong, Siyuan Hao, Chao Wang, and Yanyan Chen. “Experimental Study of Oblique Pedestrian Streams”. Promet - Traffic&Transportation 30, no. 2 (April 20, 2018): 151–161. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2718.