@book { RaniaLiteraturQuickie,
    title = "Rania - Literatur-Quickie",
    author = "Karr {und Wehner}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955202378",
    url = "https://m.dotbooks.de/document/212961"
}