@book { UnternehmenskulturimWandelderZeit,
    title = "Unternehmenskultur im Wandel der Zeit",
    author = "Britta {Kolbe}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832433239",
    url = "https://m.diplom.de/document/219007"
}