著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Isard, Walter","Location and space-economy : a general theory relating to industrial location, market areas, land use, trade, and urban structure",,"Program in Urban and Regional Studies, Cornell University",1979,Regional science reprints,,,,https://cir.nii.ac.jp/crid/1130000796719077504