著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Kumagai Yoshiaki and Arai Kei and Iwata Gyoichi,Arbitrage relation in the corn futures prices of Japan and US,Keio business review,04534557,慶應義塾大学,,,39,43-58,https://cir.nii.ac.jp/crid/1570009751881927936,