Bell Beaker funerary copper objects from the center of the Iberian Peninsula in the context of the Atlantic connections - Blasco Bosqued, Ma. Concepción (María Concepción) (Analysis of the economic foundations supporting the social supremacy of the Beaker Groups proceedings of the XVII UISPP World Congress (1-7 September, Burgos,Spain) Volume 6/Session B36, 2016)