Alberto Allara S. Filipponi Fabio Salice William Fornaciari Donatella Sciuto 109-114 1997 conf/codes/1997 CODES https://doi.org/10.1109/HSC.1997.584588 https://doi.ieeecomputersociety.org/10.1109/HSC.1997.584588 http://dl.acm.org/citation.cfm?id=793516 db/conf/codes/codes1997.html#AllaraFSFS97