“Steep, steeper, Viticulture 4.0; [Steil, steiler, Weinbau 4.0]” (2017) gis.Business | issn : 1869-9286, 18(1), pp. 22–25. Available at: https://journal-gis.business/index.php/gisb/article/view/382 (Accessed: 8 November 2026).