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) RAJU S.,Stress-intensity factors for internal and external surface cracks in cylindrical vessels,J. Pressure Vessel Technol.,,,1982,104,,293,https://cir.nii.ac.jp/crid/1570572699148722304,