@incollection{PiontkowskiOehlschlegel2019,
  author    = {Ursula Piontkowski and Sonja {\"O}hlschlegel},
  title     = {Wenn Ost- und Westdeutsche miteinander sprechen},
  booktitle = {Deutsch-Deutsche Sprachspiele},
  editor    = {Frindte and Fahrig and K{\"o}hler},
  isbn      = {3-8258-3430-1},
  year      = {2019},
}