@book { ErnhrungsratgeberDiabetes,
    title = "Ernährungsratgeber Diabetes",
    author = "Sven-David {Müller-Nothmann} and Christiane {Weißenberger}",
    year = "2010",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403696"
}