Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "田中, 敬吉 and TANAKA, Keikichi",The Inertia Forces and Couples and their Balancing of the Star Type Engine.,"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,1925-03,1,10,247-304,https://cir.nii.ac.jp/crid/1050566774916264960,