@book { FriedrichCarlvonSavigny17791861imUrteilseinerZeit,
    title = "Friedrich Carl von Savigny (1779-1861) im Urteil seiner Zeit",
    author = "Mathias {von Rosenberg}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089906"
}