@book { KeinSeximAltenheim,
    title = "(Kein) Sex im Altenheim?",
    author = "Ruth {van der Vight-Klußmann}",
    year = "2014",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403919"
}