@book { BasqueNationhood, title = "Basque Nationhood", author = "Pedro {Ibarra Güell} and Åshild {Kolås}", year = "2016", publisher = "Peter Lang Verlag", address = "Oxford, United Kingdom", doi = "10.3726/978-3-0353-0817-4", url = "https://www.peterlang.com/document/1053556" }