@book { ChangeManagementinderffentlichenVerwaltung,
    title = "Change Management in der öffentlichen Verwaltung",
    author = "Christian {Wörpel}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842805262",
    url = "https://m.diplom.de/document/228077"
}