@book { DereinfacheWegzurPflegestufe,
    title = "Der einfache Weg zur Pflegestufe",
    author = "Uwe {Beul}",
    year = "2012",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403601"
}