@book { LandmarksintheHistoryoftheGermanLanguage,
    title = "Landmarks in the History of the German Language",
    author = "Geraldine {Horan} and Nils {Langer} and Sheila {Watts}",
    year = "2009",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1105986"
}