@book { OnthetradeintegrationeffectsofthecustomsunionbetweenTurkeyandtheEU,
    title = "On the trade integration effects of the customs union between Turkey and the EU",
    author = "Susanne {Voigt}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836610513",
    url = "https://m.diplom.de/document/225292"
}