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) William Rhodes and Mostafa F. Amr El-Sayed,Observed electronic transitions of hexahelicene,Journal of Molecular Spectroscopy,0022-2852,Elsevier BV,1962,9,,42-49,https://cir.nii.ac.jp/crid/1363670320961065216,https://doi.org/10.1016/0022-2852(62)90211-4