@book { Lefdralismemultinational,
    title = "Le fédéralisme multinational",
    author = "Michel {Seymour} and Guy {Laforest}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6165-3",
    url = "https://www.peterlang.com/document/1067409"
}