@book { DasPapstzeremoniellderRenaissance,
    title = "Das Papstzeremoniell der Renaissance",
    author = "Jörg {Bölling}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101394"
}