@book { DieBotschaftdesEremiten,
    title = "Die Botschaft des Eremiten",
    author = "Axel {Burkart}",
    year = "2012",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955200718",
    url = "https://m.dotbooks.de/document/204642"
}