@book { DieTresGalliaeunddasImperiumim4Jahrhundert,
    title = "Die «Tres Galliae» und das «Imperium» im 4. Jahrhundert",
    author = "Regula {Beck}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1069273"
}