Rzeszewski, Michał. “Global Sattelite Navigation Systems in the Analysis of Spatial Behaviours of City Users”. Rozwój Regionalny i Polityka Regionalna, no. 31 (December 20, 2015): 111–121. Accessed July 17, 2024. https://pressto.amu.edu.pl/index.php/rrpr/article/view/5613.