Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUNAMOTO Shino and OKABE Atsuyuki,An Exploratory Data Analysis Tool for Detecting Hierarchical Characteristics of Point Patterns,Theory and Applications of GIS,13405381,Geographic Information Systems Association,1998,6,1,49-58,https://cir.nii.ac.jp/crid/1390001204474891904,https://doi.org/10.5638/thagis.6.49