@book { DieChronikArnoldsvonLbeck,
    title = "Die «Chronik» Arnolds von Lübeck",
    author = "Stephan {Freund} and Bernd {Schütte}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105025"
}