@book{9783865962676,
  title = {Die Berliner Luftbrücke},
  editor = {Bernd von Kostka,Helmut Trotnow},
  publisher = {Frank \& Timme},
  year = {2010},
  edition = {1},
  url = {https://www.frank-timme.de/de/programm/produkt/die\_berliner\_luftbruecke}
}