@book { KnigLudwigIundLolaMontez,
    title = "König Ludwig I. und Lola Montez",
    author = "Johann {Hirsch-Müller}",
    year = "2013",
    publisher = "TUBUK.digital",
    address = "München, Deutschland",
    doi = "10.3239/9783955950101",
    url = "https://tubuk.openpublishing.com/document/209763"
}