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) Hitoshi Okuda and Ryota Seto and Yasuhito Koyama,"Poly(arylene sulfone)s containing 9,9'-spirobifluorene: synthesis and excellent optical properties",Polymer journal,00323896,Tokyo : Springer Nature,2010-10,42,10,795-798,https://cir.nii.ac.jp/crid/1522825130281305856,