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) MICHELL A. G. M.,The Limits of Economy of Materials in Frame Structures,Philosophical Magazine,,,1904,47,,589-597,https://cir.nii.ac.jp/crid/1570854176362726144,