@book { ElectronicGovernmentundVerwaltungsmodernisierung,
    title = "Electronic Government und Verwaltungsmodernisierung",
    author = "Axel M. {Heinz}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832453886",
    url = "https://m.diplom.de/document/220949"
}