20 December 2002
Monsieur Jean-Claude DUPUIS
Chief of the National Geographic Institute Map Library - PARIS  (France)

9 April 1999
Professore Augusto FORTI
Director General Adviser UNESCO - PARIS  (France)

28 August 1999
Professore Alberto TOMASIN
Professor of Cybernetics at the University "Ca' Foscari" - VENICE  (Italy)
and former researcher of the National Institute for Research

11 August 1999
Dottor Marino ZORZI
Director of the Marciana National Library - VENICE  (Italy)

The Authors are mentioned in alphabetical order