First Author:   William Addessi University of Rome 3 addessi@uniroma3.it   Rome, 00144, Italy   +393200223939(Phone) +393200223939(Fax) http://www.brunochiarini.it/conference/index.htm Second Author: Francesco Busato University of Naples Parthenope busato@uniparthenope.it         http://www.brunochiarini.it/conference/index.htm