“Even offline everything is under control - TraveNetz establishes mobile company information of VertiGIS; [Auch offline alles im griff - travenetz etabliert mobile betriebsauskunft der vertiGIS]”, gis.Business | issn : 1869-9286, vol. 22, no. 1, pp. S4-S5, Jan. 2021, Accessed: Nov. 08, 2026. Available: https://journal-gis.business/index.php/gisb/article/view/631