“The digital twin Germany: Looking to the future with the digital image of Germany; [Der digitale zwilling deutschland: Mit dem digitalen abbild deutschlands den blick in die zukunft richten]”, gis.Business | issn : 1869-9286, vol. 22, no. 1, pp. 31–33, Jan. 2021, Accessed: Nov. 09, 2026. Available: https://journal-gis.business/index.php/gisb/article/view/436