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) Masaya Shimizu and Yusuke Seishi,Clarification of Material Properties in Expansion Processing of Steel Tube,Toyota Boshoku technical review,,Kariya : Toyota Boshoku,2023,17,,10-14,https://cir.nii.ac.jp/crid/1520581766237137152,