@book { Federalism,
    title = "Federalism",
    author = "Lucio {Levi} and Giampiero {Bordino} and Antonio {Mosconi}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-2-8076-0055-3",
    url = "https://www.peterlang.com/document/1113727"
}