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1[Vitoria-Gasteiz] : The County Council of Álava, Department of Culture , [2002]“...Gidak...”
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2[Vitoria-Gasteiz] : Diputación Foral de Álava, Departamento de Cultura = Arabako Foru Aldundia, Kultura Saila , D.L. 1991“...Gidak...”
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