@book { DasgroeKochbuchgegenRheuma,
    title = "Das große Kochbuch gegen Rheuma",
    author = "Sven-David {Müller} and Christiane {Weißenberger}",
    year = "2018",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/412441"
}