Perea, A., Alguacil, F. J., Adeva, P. and García-Vuelta, O. (2003) “Contamination and preservation of prehistoric craftsmanship pieces. Is gold a timeless metal?”, Revista de Metalurgia, 39(1), pp. 3–8. doi: 10.3989/revmetalm.2003.v39.i1.311.