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) COCKCROFT M. G.,Ductility and the Workability of Metals,J. Inst. Metals,,,1968,96,,33,https://cir.nii.ac.jp/crid/1571135649101808384,