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 "Murphy, Alexander B.",The regional dynamics of language differentiation in Belgium : a study in cultural-political geography,,"University of Chicago, Committee on Geographical Studies",1988,Geography research paper,,0890651329,,https://cir.nii.ac.jp/crid/1130282272992701312