@book { AchtungAngehrige,
    title = "Achtung, Angehörige!",
    author = "Sigrid {Daneke}",
    year = "2010",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403678"
}