@book { VonWeihnachtswundernundBlaubren,
    title = "Von Weihnachtswundern und Blaubären",
    author = "Akira {Arenth} and Vaelis {Vaughan}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1336050"
}