Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAGAWA Yuzo,Yield Point depends on the Rate of Strain Its Theory,Transactions of the Japan Society of Mechanical Engineers,00290270,The Japan Society of Mechanical Engineers,1959,25,151,115-116,https://cir.nii.ac.jp/crid/1390282680132137600,https://doi.org/10.1299/kikai1938.25.115