Fadda, S., Fiori, M., Pretti, S., & Valera, P. (2010). VOLCANIC – SEDIMENTARY METAL DEPOSITION IN PALEOMARGIN ENVIRONMENT: A “ PROTORE ” OCCURRENCE IN CENTRAL SARDINIA (ITALY). Bulletin of the Geological Society of Greece, 43(5), 2446–2454. https://doi.org/10.12681/bgsg.11646