@book{ BA34667670,
  author    = "跡田, 直澄 ",
  title     = "高齢化の社会保障改革 : 豊かな高齢社会の負担のあり方",
  publisher = "全国勤労者福祉振興協会",
  year      = "1998",
  series    = "福振協資料",
  number    = "No.34",
  URL       = "https://ci.nii.ac.jp/ncid/BA34667670"
}