“Steep, steeper, Viticulture 4.0; [Steil, steiler, Weinbau 4.0]”, gis.Business | issn : 1869-9286, vol. 18, no. 1, pp. 22–25, Jul. 2017, Accessed: Nov. 09, 2026. Available: https://journal-gis.business/index.php/gisb/article/view/382