@book { Gothorumflorentissimagens,
    title = "Gothorum florentissima gens",
    subtitle = "Gotengeschichte als Heilsgeschichte bei Isidor von Sevilla",
    author = "Ulrike {Nagengast}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108260"
}