Microanalytical study of copper ores from the Chalcolithic settlement of São Pedro (Portugal) : Copper production in the south-western Iberian Peninsula. - Valério, P.; Cardoso, I. P.; Santiago, M.; Araújo, M. F.; Alves, L. C.; Gonçalves, M. A.; Mataloto, R. (Oxford University, Research Laboratory for Archaeology and the History of Art, 2020)