@book { EinfachEinkochenDrrenEinlegenEinmachenFermentieren,
    title = "Einfach Einkochen, Dörren, Einlegen, Einmachen & Fermentieren",
    author = "Leonardo Oliver {Bassard}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1030956"
}