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) Okada K,Experimental studies on the strength of rectongular reinforced and prestressed concrete beams under combined flexure and torsion,土木学会論文集,00471798,東京 : 土木学会,1966-07,,131,39-51,https://cir.nii.ac.jp/crid/1520290885249174144,