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1
Publicado en: Basque political systems / edited by Pedro Ibarra Güell and Xabier Irujo Ametzaga ; translated by Cameron J. Watson. , Reno : Center for Basques Studies, University of Nevada Reno, [2011]., p. 125-144
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2
Publicado en: The legal status of the basque language today : one language, three administrations, seven different geographies and a diaspora / Gloria Totoricagüena, Iñigo Urrutia, eds. , Donostia : Eusko Ikaskuntza, 2008., p. 243-261
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3
Publicado en: The legal status of the basque language today : one language, three administrations, seven different geographies and a diaspora / Gloria Totoricagüena, Iñigo Urrutia, eds. , Donostia : Eusko Ikaskuntza, 2008., p. 197-220
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4
Publicado en: The legal status of the basque language today : one language, three administrations, seven different geographies and a diaspora / Gloria Totoricagüena, Iñigo Urrutia, eds. , Donostia : Eusko Ikaskuntza, 2008., p. 165-195