@book { RegionalgeschichteimZeichenpolitischenWandels,
    title = "Regionalgeschichte im Zeichen politischen Wandels",
    author = "Lena {Cordes}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1108048"
}