@book { EinfernesunheimlichesLand,
    title = "Ein fernes, unheimliches Land",
    author = "Roland {Heller}",
    year = "2024",
    publisher = "Bärenklau Exklusiv",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1474342"
}