@book{ BA43372973,
  author    = "清家, 篤 ",
  title     = "高齢化社会の構造変化と労働市場",
  publisher = "全国勤労者福祉振興協会",
  year      = "1999",
  series    = "福振協資料",
  number    = "no.41",
  URL       = "https://ci.nii.ac.jp/ncid/BA43372973"
}