@book { Irgendwasisimmer,
    title = "Irgendwas is immer",
    author = "Tine {Wittler}",
    year = "2013",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    doi = "10.3239/9783955203788",
    url = "https://m.dotbooks.de/document/230586"
}