@book{ BA61464574,
  author    = "湯沢, 雍彦 ",
  title     = "データで読む家族問題",
  publisher = "日本放送出版協会",
  year      = "2003",
  series    = "NHKブックス",
  number    = "965",
  URL       = "https://ci.nii.ac.jp/ncid/BA61464574"
}