Production and function(s) of obsidian tools at the Neolithic site of Contrada Diana (Aeolian Islands, Sicily) - Iovino, Maria Rosa ('Prehistoric technology'. 40 years later: functional studies and the Russian legacy. Wear-traces, ethnoarchaeology, experimental archaeology. Proceedings of the international congress, Verona (Italy), 20-23 april 2005., 2008)