@book{ BA8153065X,
  author    = "奈良, 由美子",
  title     = "生活とリスク",
  publisher = "放送大学教育振興会",
  year      = "2007",
  series    = "放送大学教材",
  number    = "1222716-1-0711",
  URL       = "https://ci.nii.ac.jp/ncid/BA8153065X"
}