@book { AnwendungsintegrationdurchWebservices,
    title = "Anwendungsintegration durch Webservices",
    author = "Benjamin {Krischer}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832458928",
    url = "https://m.diplom.de/document/221348"
}