1. Petrology of Sedimentary Rocks;Boggs,2009
2. Chert source areas and provenance studies of chipped stone artifacts in southeastern Crete;Brandl;Jahreshefte des Österreichischen Archäologischen Institutes in Wien,2010
3. Chert and obsidian procurement of three Corsican sites during the 6th and 5th millenniums BC;Bressy;Comptes Rendus Palevol,2008
4. The characterization of obsidian and its application to the Mediterranean Region;Cann,1964
5. Carbone, S. Catalano, S. Grasso, M. Lentini, F., Monaco, C., 1990. Carta geologica della Sicilia centro-orientale. Scala 1:50.000. S.El.Ca., Firenze.