@book{ BA44221791,
  author    = "Graetz, Michael J. and Mashaw, Jerry L.",
  title     = "True security : rethinking American social insurance",
  publisher = "Yale University Press",
  year      = "1999",
  series    = "The Yale ISPS series",
  number    = "",
  URL       = "https://ci.nii.ac.jp/ncid/BA44221791"
}