Figueiredo, Elin, Rui JC Silva, Fatima M. Araujo, and Joao C. Senna-Martinez. "Identification of ancient gilding technology and Late Bronze Age metallurgy by EDXRF, Micro-EDXRF, SEM-EDS and metallographic techniques." Microchimica Acta. 168.3-4 (2010): 283-291.