@book { DieOriginaleSchrothkur,
    title = "Die Originale Schrothkur",
    subtitle = "Das altbewährte Naturheilverfahren nach Johann Schroth",
    author = "Vera {Brosig}",
    year = "2011",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403537"
}