@book { DerTrojaCode,
    title = "Der Troja-Code",
    author = "Turhan {Boydak}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955203832",
    url = "https://m.dotbooks.de/document/232970"
}