@book { Schwesterntod,
    title = "Schwesterntod",
    author = "Eva-Maria {Silber} and Kirsten {Wilczek}",
    year = "2021",
    publisher = "dp DIGITAL PUBLISHERS GmbH",
    address = "Stuttgart, Deutschland",
    url = "https://shop.digitalpublishers.de/document/1007191"
}