@book { EuropeanPartiesandtheEuropeanIntegrationProcess19451992,
    title = "European Parties and the European Integration Process, 1945–1992",
    author = "Lucia {Bonfreschi} and Giovanni {Orsina} and Antonio {Varsori}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6558-3",
    url = "https://www.peterlang.com/document/1053932"
}