著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) DEN HARTOG J. P.,Forced Vibrations with combined Coulomb and Viscous Damping,Trans. ASME,,,1931,53,,107-115,https://cir.nii.ac.jp/crid/1571980075517264640,