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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. 167-183
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2
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. 53-70
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3
Publicado en: Basque politics and Nationalism on the Eve of the Millennium / edited by William A. Douglass...[et al.] , Reno : University of Nevada, 1999, p. 155-174
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4
Publicado en: Basque politics, a case study in ethnic Nationalism , Reno : Basque Studies Program, University of Nevada, 1985, P. 51-101