Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sasaki T.,On the strength and the elongation of the human hair : Part 4. A critical study of the strength and the elongation of normal hair with regard to several probabilities,Journal of Kyoto Prefectural University of Medicine,00236012,Kyoto Prefectural University of Medicine,1934,11,1,721-746,https://cir.nii.ac.jp/crid/1570291227614760064,