___________________________
We all live in a yellow submarine.



______________
Umberto Triacca
Associate Professor of Econometrics
University of L'Aquila
Department of Information Engineering, Computer Science and Mathematics
via Vetoio, 1 (Coppito 1)
I-67100 L’Aquila, Italy

Tel.  +39-06-4456100 home
http://www.ec.univaq.it/triacca