Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Wakamatsu Shigeo,Spectrophotometric Determination of Titanium in Titanium Metals,Journal of the Japan Institute of Metals and Materials,00214876,The Japan Institute of Metals and Materials,1959,23,2,97-100,https://cir.nii.ac.jp/crid/1390282681458823936,https://doi.org/10.2320/jinstmet1952.23.2_97