@book{ BA78322508,
  author    = "橋本, 健二 ",
  title     = "階級社会 : 現代日本の格差を問う",
  publisher = "講談社",
  year      = "2006",
  series    = "講談社選書メチエ",
  number    = "371",
  URL       = "https://ci.nii.ac.jp/ncid/BA78322508"
}