@book{ BA78779376,
  author    = "石垣, 定哉 ",
  title     = "石垣定哉画集 : 七ツ目の骰子",
  publisher = "求龍堂",
  year      = "2006",
  series    = "求龍堂グラフィックス",
  number    = "",
  URL       = "https://ci.nii.ac.jp/ncid/BA78779376"
}