@book { OutlookonthecommonagriculturalpolicyoftheEuropeanUnion,
    title = "Outlook on the common agricultural policy of the European Union",
    author = "Christian {Manthe}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832470852",
    url = "https://m.diplom.de/document/222404"
}