@book { LucasDasHerzdesGrizzlys,
    title = "Lucas: Das Herz des Grizzlys",
    author = "Fel {Fern}",
    year = "2021",
    publisher = "Me and the Muse Publishing",
    address = ", Deutschland",
    url = "https://tolino.openpublishing.com/document/1159612"
}