Ambroszkiewicz, S. ., Bartyna, W., Faderewski, M., Jakubowski, S., Kocieliński, D., Mikułowski, D., & Terlikowski, G. (2004). Blind-End; An Approach to Support Orientation and Navigation for Blind People. Studia Informatica. System and Information Technology, 4(2), 7-29. https://czasopisma.uws.edu.pl/studiainformatica/article/view/2883