@book{D±browska-Burkhardt:2017,
  author  = "J. D±browska-Burkhardt and L. Eichinger and U. Itakura",
  title     = "Deutsch: lokal - regional - global, ISBN: 9783823381327",
  publisher = "Narr Francke Attempto Verlag",
  address   = "Tübingen",
  pages     = "468",
  year      = "2017",
}