@book { RitterlicheWertezwischenTraditionundTransformation,
    title = "Ritterliche Werte zwischen Tradition und Transformation",
    author = "Regina {Pingel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1113872"
}