@book { RisikomanagementimKonzern,
    title = "Risikomanagement im Konzern",
    subtitle = "Eine empirische Analyse börsennotierter Aktienkonzerne",
    author = "Peter {Kajüter}",
    year = "2014",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220930"
}