@book { InterimManagement,
    title = "Interim Management",
    subtitle = "Den Unternehmenswandel erfolgreich gestalten - mit Managern auf Zeit",
    author = "Holger {Groß} and Robert {Bohnert}",
    year = "2012",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220824"
}