@book { ManagementundWebServicesArchitekturen,
    title = "Management- und Web Services-Architekturen",
    author = "Roger {Zacharias}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832452803",
    url = "https://m.diplom.de/document/220847"
}