@book { BritainandEuropeanIntegration,
    title = "Britain and European Integration",
    author = "Christian {Splett}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832428020",
    url = "https://m.diplom.de/document/218532"
}