@book { InternationalesMarketingmitdemInternet,
    title = "Internationales Marketing mit dem Internet",
    author = "Jörg {Brickwedel}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832411282",
    url = "https://m.diplom.de/document/217018"
}