@book { AgentenuntersttzteEBusinessVerhandlungsplattform,
    title = "Agentenunterstützte E-Business Verhandlungsplattform",
    author = "Manfred {Steinlechner}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832456870",
    url = "https://m.diplom.de/document/221162"
}