@article{oai:kyutech.repo.nii.ac.jp:02000339, author = {Matsuda, Kenji and 松田, 健次}, issue = {12}, journal = {設計工学, Journal of Japan Society for Design Engineering}, month = {Dec}, pages = {791--797}, title = {反発硬さ試験の新しい展開}, volume = {54}, year = {2019} }