@book { VerblicheneZeileneinesLebens,
    title = "Verblichene Zeilen eines Lebens",
    author = "Susann {Schmuhl-Lahr}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1389909"
}