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) B.F. Levine,Donor—acceptor charge transfer contributions to the second order hyperpolarizability,Chemical Physics Letters,0009-2614,Elsevier BV,1976-02,37,3,516-520,https://cir.nii.ac.jp/crid/1362825895817593984,https://doi.org/10.1016/0009-2614(76)85027-0