@book { DieEntwicklungdesEigentmerBesitzerVerhltnisses,
    title = "Die Entwicklung des Eigentümer-Besitzer-Verhältnisses",
    author = "Sibylle {Rosenlöcher}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1078216"
}