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) Yasuo Tomita and Johan Bergquist and Masa-aki Shibata,"Photorefractive properties of undoped, Cr-doped, and Cu-doped potassium sodium strontium barium niobate crystals",Journal of the Optical Society of America B,0740-3224,Optica Publishing Group,1993-01-01,10,1,94,https://cir.nii.ac.jp/crid/1360292618696154240,https://doi.org/10.1364/josab.10.000094