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) Kiyomi Denda and Satoru Ikeuchi,Quasar Metallic Absorption Systems Irradiated by a Steep-Spectrum UV Background,Publications of the Astronomical Society of Japan,00046264,Tokyo : Astronomical Society of Japan,1995-12,47,6,877-888,https://cir.nii.ac.jp/crid/1523388080004461568,