@book { DieRollevonMiddlewareineinemUmfeldheterogenerApplikationen,
    title = "Die Rolle von Middleware in einem Umfeld heterogener Applikationen",
    author = "Bernd {Gröne}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832449087",
    url = "https://m.diplom.de/document/220477"
}