First Author:   Gianluigi Pelloni RCEA secretary@rcfea.org   secretariat c/o via punta di ferro 2/L Forlì, 47122, Italy   +39 0543 720901(Phone) +39 0543 720901(Fax) www.rcfea.org Second Author: Beatrice Capacci RCEA secretary@rcfea.org   Forlì, 47122, Italy   +39 0543 720901(Phone) +39 0543 807736(Fax) www.rcfea.org