Trpković, Ana, Marina Milenković, Milan Vujanić, Branimir Stanić, and Draženko Glavić. “The Crossing Speed of Elderly Pedestrians”. Promet - Traffic&Transportation 29, no. 2 (April 20, 2017): 175-183. Accessed August 14, 2020. http://traffic.fpz.hr/index.php/PROMTT/article/view/2101.