@book { DieVerschuldungsbefugnisderEuropischenUnion,
    title = "Die Verschuldungsbefugnis der Europäischen Union",
    author = "Dagmar {Gesmann-Nuissl}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088862"
}