Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Sadao Yamashiro and Yukio Uemura,On the Conversions of the Hardness Numbers between Various Types of Indentation Hardness,茨城大学工学部研究集報,03677389,日立 : 茨城大学工学部,1977-12,,25,p131-145,https://cir.nii.ac.jp/crid/1520853835091737088,