@book { IntelligenteSoftwareagentenimECommerce,
    title = "Intelligente Softwareagenten im E-Commerce",
    author = "Thomas {Benndorf}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832425487",
    url = "https://m.diplom.de/document/218341"
}