editors, Bill Williams, Polytechnic Institute of Setubal, Portugal, Jose Figueiredo, IST, Technical University of Lisbon, Portugal, James Trevelyan, The University of Western Australia, Crawley, Australia.
editors, Oscar Montiel Ross and Roberto Sepulveda Cruz, Instituto Politecnico Nacional-Centro de Investigacion y Desarrollo de Tecnologia Digital, Tijuana, Mexico.