著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Clark,State Railroad Commissions and How They May Be Made Effective,Publications of the American Economic Association,,,1891,6,,11,https://cir.nii.ac.jp/crid/1370285708078642696,