@book { AutomatischesKlassifizieren,
    title = "Automatisches Klassifizieren",
    subtitle = "Entwicklungsstand – Methodik – Anwendungsbereiche",
    author = "Otto {Oberhauser}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1099489"
}