@book { SaeculumPium,
    title = "Saeculum Pium",
    subtitle = "Die kirchlichen Bruderschaften in der Gesellschaftsordnung der Mark Brandenburg im Spätmittelalter",
    author = "Katharina {Rosenplenter}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096133"
}