“BEV President Dipl. Ing. Wernher Hoffmann in an Interview - ‘Transparency Alone Is Too Little’”. gis.Business | issn : 1869-9286 17, no. 1 (July 1, 2016): 28–30. Accessed November 8, 2026. https://journal-gis.business/index.php/gisb/article/view/346.