@book { BarbaravonCilliDieschwarzeKnigin13921451,
    title = "Barbara von Cilli: Die schwarze Königin (1392–1451)",
    author = "Daniela {Dvořáková}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1109831"
}