Klein S. ., Domergue C. ., Lahaye Y. ., Brey G. . y Von Kaenel H.-m. . (2009). The lead and copper isotopic composition of copper ores from the Sierra Morena (Spain). Journal of Iberian Geology, 35(1), 59-68. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0909120059A