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) ABU F. F.,A preliminary study on the feasibility of friction stir back extrusion,Scr. Mater.,,,2012,66,9,615-618,https://cir.nii.ac.jp/crid/1570009749382009472,