@book { WirtschaftmeetsSport,
    title = "Wirtschaft meets Sport",
    author = "Andreas {Schätzle}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832477943",
    url = "https://m.diplom.de/document/223061"
}