@book { CsarvonArxBriefeandenVater,
    title = "Cäsar von Arx: Briefe an den Vater",
    author = "Armin {Arnold-Schuster}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1071130"
}