@book { IntegrationvonFremdsystemenanSAPR3mitdemSAPBusinessConnectorbeiderFirmaPPE,
    title = "Integration von Fremdsystemen an SAP R/3 mit dem SAP Business Connector bei der Firma PPE",
    author = "Marno {Bastek}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832449551",
    url = "https://m.diplom.de/document/220522"
}