@book { DasKreuzinderchristlichenLiteraturderAntike,
    title = "Das Kreuz in der christlichen Literatur der Antike",
    author = "Jean-Marc {Prieur}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1100518"
}