@book { DasSchattenlandDasvierteVolk4BuchDerDunkleBogen,
    title = "Das Schattenland - Das vierte Volk (4. Buch): Der Dunkle Bogen",
    author = "Bastian {Baumgart}",
    year = "2023",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1320317"
}