Gian Luigi Ferrari Ugo Montanari Emilio Tuosto Björn Victor Kidane Yemane Modelling Fusion Calculus using HD-Automata. 142-156 2005 conf/calco/2005 CALCO http://dx.doi.org/10.1007/11548133_10 db/conf/calco/calco2005.html#FerrariMTVY05