@book { LesrgionalismesenBretagne,
    title = "Les régionalismes en Bretagne",
    subtitle = "La région et l’État (1950-2000)",
    author = "Yann {Fournis}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    url = "https://www.peterlang.com/document/1100706"
}