Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "山口, 文之助 and YAMAGUCHI, Bunnosuke",Chemical Structure and Viscosity Characteristics of Lubricating Oils.,"東京帝國大學航空研究所報告 = Report of Aeronautical Research Institute, Tokyo Imperial University",,東京帝國大學航空研究所,1938-04,13,162,212-235,https://cir.nii.ac.jp/crid/1050848249893048704,