Kokla, Margarita, and Marinos Kavouras. “Spatial Concept Lattices: An Integration Method in Model Generalization”. Cartographic Perspectives, no. 34 (September 1, 1999): 23–38. Accessed August 26, 2024. https://cartographicperspectives.org/index.php/journal/article/view/cp34-kokla-kavouras.