@book { TragendeTradition,
    title = "Tragende Tradition",
    author = "Annegret {Freund} and Udo {Kern} and Aleksander {Radler}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1080698"
}