@book { DieBedeutungdesEventmarketingalsLiveKommunikationsinstrumentderZukunft,
    title = "Die Bedeutung des Eventmarketing als Live-Kommunikationsinstrument der Zukunft",
    author = "Christian {Baumann}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836633413",
    url = "https://m.diplom.de/document/227081"
}