@book{ BA01942791,
  author    = "Beck, Józef",
  title     = "Beiträge zur europäischen Politik : Reden, Erklärungen, Interviews, 1932-1939",
  publisher = "Essener Verlagsanstalt",
  year      = "1939",
  URL       = "http://ci.nii.ac.jp/ncid/BA01942791"
}