Some investigations on the composition of the powders found in the Egypt desert and used as pigments
A MicroRaman study of some paintings from Tassili (Sahara) / Baraldi, Pietro; Sighinolfi, G. P.. - STAMPA. - 1:(2005), pp. 64-64. (Intervento presentato al convegno Conference on Cultural Heritage tenutosi a Rimini nel 8-9 september 2005 Rimini).