Additional information on:

a) the 3^rd International Conference can be obtained from the web page:
http://www.economia.uniroma2.it/conferenze/icabr99

b) the 4^th International Conference can be obtained from the web page:
http://www.economia.uniroma2.it/conferenze/icabr00

c) the 5^th International Conference can be obtained from the web page:
http://www.economia.uniroma2.it/conferenze/icabr01

d) the 6^th International Conference can be obtained from the web page:
http://www.economia.uniroma2.it/conferenze/icabr

e) the 7th International Conference can be obtained from the web page:
http://www.economia.uniroma2.it/conferenze/icabr2003

f) the 8th International Conference can be obtained from the web page:
http://www.economia.uniroma2.it/conferenze/icabr2004