@book { ZypernsBeitrittzurEuropischenUnion,
    title = "Zyperns Beitritt zur Europäischen Union",
    author = "Hauke {Stöwsand}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101924"
}