Wolfertz, Klaus. “The Use of Fuzzy Logic in the Evaluation of Locations: A New Avenue for Computer Support in Locational Marketing by Local Authorities”. Raumforschung und Raumordnung | Spatial Research and Planning 58, no. 4 (July 31, 2000): 288–296. Accessed August 15, 2026. https://rur.oekom.de/index.php/rur/article/view/1156.