@book { RallyeDakar99MarketinginderWste,
    title = "Rallye Dakar '99 - Marketing in der Wüste",
    author = "Gunter {Maier}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832415174",
    url = "https://m.diplom.de/document/217362"
}