Voženílek, Vít, and Alena Vondráková. “TACTILE MAPS BASED ON 3D PRINTING TECHNOLOGY”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 3 (July 24, 2015): 193–202. Accessed May 2, 2024. https://journals.ru.lv/index.php/SIE/article/view/732.