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) C. M. Segedin,The relation between load and penetration for a spherical punch,Mathematika,0025-5793,Wiley,1957-12,4,2,156-161,https://cir.nii.ac.jp/crid/1361699996433432064,https://doi.org/10.1112/s0025579300001236