@book { DasMagdeburgerRechtunddasSilleinerRechtsbuch,
    title = "Das Magdeburger Recht und das Silleiner Rechtsbuch",
    author = "Mária {Papsonová}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095831"
}