@book { InternationalisingaNationalImage,
    title = "Internationalising a National Image",
    author = "Peter {Schulz}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832456962",
    url = "https://m.diplom.de/document/221168"
}