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Artioli, Gilberto; Angelini, Ivana; Kaufmann, Günther; Canovaro, Caterina; Dal Sasso, Gregorio; Villa, Igor Maria (2017). Long-distance connections in the Copper Age: new evidence from the Alpine Iceman’s copper axe. PLoS ONE, 12(7), e0179263. Public Library of Science 10.1371/journal.pone.0179263
