著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Arakawa,Input ground motions for step-by-step integration dynamic response analysis by modifying response spectral characteristics,Civ. Eng. J.,,,1984,26,,,https://cir.nii.ac.jp/crid/1370005744286755586,