著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Shul’gin,Luminescence and diffuse reflection spectra of rare-earth titanoniobates,Zhurnal Prikladnoi Spektropii,,,1971,15,,431,https://cir.nii.ac.jp/crid/1370851121950861202,