Porębski, Andrzej. “Application of Cluster Analysis in Research on the Spatial Dimension of Penalised Behaviour”. Acta Universitatis Lodziensis. Folia Iuridica 94 (March 30, 2021): 97–120. Accessed February 11, 2026. https://www.czasopisma.uni.lodz.pl/Iuridica/article/view/9814.