Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UDOGUCHI Teruyoshi,Torsion of a Bar whose Boundary of the Cross-Section consists of Tow Intersecting Circular Arcs,Journal of the Society of Mechanical Engineers,2424-2675,The Japan Society of Mechanical Engineers,1948,51,361,386-388,https://cir.nii.ac.jp/crid/1390001205911352704,https://doi.org/10.1299/jsmemag.51.361_386