Micro-Raman spectroscopy and complementary techniques (hXRF, VP-SEM-EDS, ?-FTIR and Py-GC/MS) applied to the study of beads from the Kongo Kingdom (Democratic Republic of the Congo) - Coccato, A; Costa, Mafalda; Rousaki, A; Clist, B; Karklins, K; Bostoen, K; Manhita, A; Cardoso, A; Dias, CB; Candeias, A; Moens, L; Mirao, J; et al. (2017)