@book { DieEUimGATTWTOSystem,
    title = "Die EU im GATT/WTO-System",
    subtitle = "Aspekte einer Beziehung «sui generis»",
    author = "Peter {Hilpold}",
    year = "2000",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089399"
}