@book { DieMaskedesMeisters,
    title = "Die Maske des Meisters",
    author = "Sandra {Henke}",
    year = "2012",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955200992",
    url = "https://m.dotbooks.de/document/206479"
}