@book { DienstleistungsplattformIntranet,
    title = "Dienstleistungsplattform Intranet",
    author = "Peter {Esposito}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832440084",
    url = "https://m.diplom.de/document/219643"
}