@book { HflichkeitzwischenKonventionundKreativitt,
    title = "Höflichkeit zwischen Konvention und Kreativität",
    author = "Bernhard {Brehmer}",
    year = "2009",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12046",
    url = "https://www.peterlang.com/document/1056372"
}