LAMANNA Giuseppe 
GRASSIA Luigi

OPRAN Constantin G.
DOICIN Cristian Vasile 

University of Campania "Luigi Vanvitelli"
Department of Engineering
Via Roma, 29 - 81031 Aversa (CE) - Italy
Phone: +39 081 5010 419
Fax: +39 081 5010 295
e-mail: [email protected]