@book { EineSchlittenfahrtzumVerlieben,
    title = "Eine Schlittenfahrt zum Verlieben",
    author = "Marit {Bernson}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1403264"
}