Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MORIKAWA Hiroshi,WANDELUNGEN DES SYSTEMS DER ZENTRALEN ORTE IM KUMAMOTO PROVINZ,Geographical Review of Japan,00167444,The Association of Japanese Geographers,1961,34,9,471-486,https://cir.nii.ac.jp/crid/1390282679309731200,https://doi.org/10.4157/grj.34.471