@book { ProphylaxenfrdiePflegepraxis,
    title = "Prophylaxen für die Pflegepraxis",
    author = "Kay Peter {Röpke}",
    year = "2019",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/471210"
}