@book{ BA84599980,
  author    = "Yen, W. M. (William M.) and 塩谷, 繁雄  and 山元, 明",
  title     = "Fundamentals of phosphors",
  publisher = "CRC Press",
  year      = "2007",
  URL       = "https://ci.nii.ac.jp/ncid/BA84599980"
}