@book { DasletzteVermchtnis,
    title = "Das letzte Vermächtnis",
    subtitle = "Ein Jill Carter Thriller",
    author = "Ernst {Jakob}",
    year = "2022",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Deutschland",
    url = "https://shop.digitalpublishers.de/document/1278958"
}