@book { PragaCaputRegni,
    title = "Praga Caput Regni",
    subtitle = "Untersuchungen zur Sprach- und Kulturgeschichte des Spätmittelalters",
    author = "Matthias {Makowski}",
    year = "1994",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1113691"
}