@book { BretonOrthographiesandDialectsVol1, title = "Breton Orthographies and Dialects - Vol. 1", subtitle = "The Twentieth-Century Orthography War in Brittany", author = "Iwan {Wmffre}", year = "2007", publisher = "Peter Lang Verlag", address = "Oxford, United Kingdom", url = "https://www.peterlang.com/document/1104268" }