@book { DiagnoseBrustkrebs,
    title = "Diagnose Brustkrebs",
    author = "Dr. med. Heike {Bueß-Kovács}",
    year = "2013",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403823"
}