@book{ BA3946946X,
  author    = "広井, 良典 ",
  title     = "日本の社会保障",
  publisher = "岩波書店",
  year      = "1999",
  series    = "岩波新書",
  number    = "新赤版 598",
  URL       = "https://ci.nii.ac.jp/ncid/BA3946946X"
}