@book { Strategieimplementierung,
    title = "Strategieimplementierung",
    author = "Stefan {Müller-Nedebock}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836614658",
    url = "https://m.diplom.de/document/225881"
}