Periša, Marko, Dragan Peraković, and Juraj Vaculík. “Adaptive Technologies for the Blind and Visual Impaired Persons in the Traffic Network”. Transport 30, no. 3 (October 2, 2015): 247–252. Accessed April 27, 2024. https://journals.vilniustech.lt/index.php/Transport/article/view/1563.