@book { PflegeoaseninDeutschland,
    title = "Pflegeoasen in Deutschland",
    author = "Hermann {Brandenburg} and Renate {Adam-Paffrath}",
    year = "2013",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403794"
}