@book { MarkealsKulturgut,
    title = "Marke als Kulturgut",
    author = "Iris {Wichmann}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832415358",
    url = "https://m.diplom.de/document/217378"
}