Petris, M. [P:(DE-HGF)0] ; Aprodu, V. [P:(DE-HGF)0] ; Bartos, D. [P:(DE-HGF)0] ; Bercuci, A. [P:(DE-HGF)0] ; Caragheorgheopol, A. [P:(DE-HGF)0] ; Constantin, F. [P:(DE-HGF)0] ; Duta, V. [P:(DE-HGF)0] ; Petrovici, M. [P:(DE-HGF)0] ; Prodan, L. [P:(DE-HGF)0] ; Radu, A. [P:(DE-Ds200)BUDP1-0256] ; Radulescu, L. [P:(DE-HGF)0] ; Simion, V. [P:(DE-HGF)0]