Sokolov, Oleksandr, Aleksandra Mreła, Mateusz Józefowicz, Krzysztof Rydel, and Sebastian Meszyński. 2019. “Positioning a Mobile Robot in a Closed Area With a Map of Markers”. Journal of Education, Health and Sport 9 (4):573-79. https://apcz.umk.pl/JEHS/article/view/6868.