@book { TheWTOandothernontaxtreaties,
    title = "The WTO and other non-tax treaties",
    author = "Iris {Schlatzer}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832444754",
    url = "https://m.diplom.de/document/220078"
}