@book { 11simpleTippsfrdenAlltagKomfortzoneverlassen,
    title = "11 simple Tipps für den Alltag - Komfortzone verlassen",
    author = "Daniel {Sydekum}",
    year = "2021",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1118654"
}