“Wild, wilder, mobility jungle; [Wild, wilder, Mobilitätsdschungel]”, gis.Business | issn : 1869-9286, vol. 19, no. 1, pp. 16–20, Jan. 2018, Accessed: Nov. 08, 2026. Available: https://journal-gis.business/index.php/gisb/article/view/396