@book { VirtuelleUnternehmen,
    title = "Virtuelle Unternehmen",
    author = "Andreas {Myslisch}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832407803",
    url = "https://m.diplom.de/document/216687"
}