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1
Publicado en: Paradiplomacy in action : the foreing relations of subnational governments , London : Frank Cass Publisshers, 1999, P. 170-184
Artículo de libro -
2
Publicado en: Basque politics, a case study in ethnic Nationalism , Reno : Basque Studies Program, University of Nevada, 1985, P. 201-215