@book { MeinerstesMalimSaunaclub,
    title = "Mein erstes Mal im Saunaclub",
    author = "Peter {Fleischmann}",
    year = "2019",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1012040"
}