@book { TheoriginsofEuropeanidentity,
    title = "The origins of European identity",
    author = "Lambros {Couloubaritsis} and Marc {De Leeuw} and Emile {Noël} and Claude {Sterckx}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1087735"
}