Guillermo Ricardo Simari
Universidad Nacional del Sur

Department of Computer Science & Engineering
Alem 1253
(8000) Bahía Blanca, Argentina

Phone: +54 291 459 5135 ext 2603
Fax: + 54 291 459 5136

Paolo Torroni
University of Bologna

Department of Electronics, Computer Science & Systems
V.le Risorgimento 2
40136 Bologna, Italy

Phone: +39 051 209 3767
Fax: +39 051 209 3073