@book{ BA03282966,
  author    = "Krisch, Henry",
  title     = "The German Democratic Republic : the search for identity",
  publisher = "Westview Press",
  year      = "1985",
  series    = "Westview profiles",
  number    = "Nations of contemporary Eastern Europe",
  URL       = "https://ci.nii.ac.jp/ncid/BA03282966"
}