1. Pretti, S (1988): Mineralization related to tertiary volcanism in Sardinia: opportuneness of a re-examination. In: Proceedings of ‘Zuffar days ‘88, Cagliari, Italy.
2. Garbarino, C, Grillo, SM, Marcello, A, Pretti, S, Uras, I, and Fiori, M (1991): First data on Tertiary epithermal occurrences in Sardinia, Italy. In: Proceedings of the Brazil Gold ‘91: The Economics Geology Geochemistry and Genesis of Gold Deposits: 143–150.
3. Coulon, C (1977): Le volcanisme calco-alcalin Cénozoicque de Sardaigne (Italie): Pétrographie, géochimie, et genèse des laves andesitiques et des ignimbrites: Signification géodinamique; Thése Doct 3 Cycle, Univesité de Droit, D’Economie et des Sciences D’Aix, Marseille III : pp 288.
4. Frezzotti, ML, Grezzo, C, and Stefanini, B (1992): The Calabona intrusive complex (Sardinia, Italy): evidence for a copper system. Economic Geology (87): 425–436.
5. Fadda, S, Fiori, M, and Pretti, S (1997): The sandstone-hosted Pb occurrence of Rio Pischinappiu (Sardinia, Italy): a Pb-carbonate end-member. Ore Geology Reviews (12): 355–377.