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. B. Ponton and R. D. Rawlings,Vickers indentation fracture toughness test Part 1 Review of literature and formulation of standardised indentation toughness equations,Materials Science and Technology,0267-0836,SAGE Publications,1989-09,5,9,865-872,https://cir.nii.ac.jp/crid/1363670319635325696,https://doi.org/10.1179/mst.1989.5.9.865