@book { XXLRuchernBuchfrAnfnger,
    title = "XXL Räuchern Buch für Anfänger",
    author = "Josef {Nürnberger}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1014335"
}