1. Techonologies for Transmission and Distribution, RSE S.p.A,Milan,Italy
2. University of Campania L. Vanvitelli,Dep. of Engineering,Aversa,Italy,81031
3. RSE S.p.A,Material Technologies Dep.,Milan,Italy
4. SEA Marconi S.P.A,Collegno,To,Italy
5. University of Pavia,Dep. of Chemistry,Pavia,Italy