@book { DieVerwaltungdesTestamentsvollstreckers,
    title = "Die Verwaltung des Testamentsvollstreckers",
    author = "Thomas {Thöne}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088484"
}