@book { DerSpinOffderMercedesBenzLenkungssparte,
    title = "Der Spin-Off der Mercedes-Benz Lenkungssparte",
    author = "Mark S. {Walcher}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832463472",
    url = "https://m.diplom.de/document/221784"
}