@book { CulturalKnowledge,
    title = "Cultural Knowledge",
    author = "Katharina {Pilhofer}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842808126",
    url = "https://m.diplom.de/document/228198"
}