@book { WerbungalsInstrumentderKrisenkommunikation,
    title = "Werbung als Instrument der Krisenkommunikation",
    author = "Katharina {Becker}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832443344",
    url = "https://m.diplom.de/document/219934"
}