@book { SchickmireinLcheln,
    title = "Schick' mir ein Lächeln!",
    author = "Bernd {Behrendt}",
    year = "2023",
    publisher = "Autorenquelle Atzert & Behrendt",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1416827"
}