@book { DasProtokoll,
    title = "Das Protokoll",
    subtitle = "Kulturelle Funktionen einer Textsorte",
    author = "Michael {Niehaus} and Hans-Walter {Schmidt-Hannisa}",
    year = "2005",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1098995"
}