@book { ECommerceVerbraucherschutzunddieEntwicklungIntelligenterAgenten,
    title = "E-Commerce, Verbraucherschutz und die Entwicklung Intelligenter Agenten",
    author = "Stefan {Zimmermann}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105369"
}