@book { WissensmodellierungamBeispielderTelekomNetworkProjectsServicesGmbH,
    title = "Wissensmodellierung am Beispiel der Telekom Network Projects & Services GmbH",
    author = "Henning {Kraege}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832484309",
    url = "https://m.diplom.de/document/223618"
}