@book { EUAccessionandSpanishRegionalDevelopment,
    title = "EU Accession and Spanish Regional Development",
    author = "Carolyn {Dudek}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1098946"
}