@book { BretonOrthographiesandDialectsVol1,
    title = "Breton Orthographies and Dialects - Vol. 1",
    author = "Iwan {Wmffre}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1104268"
}