Dossier ITED / Associação Empresarial de Telecomunicações
The WTO and global convergence in telecommunications and audio-visual services / ed. by Damien Geradin and David Luff
Networks in the Netherlands : facts and figures: trend report on post and ICT infrastructures in 2002 / Ministry of Economic Affairs
Handbook on radio frequency spectrum requirements for civil aviation : including statement of approved ICAO policies / ICAO - International Civil Aviation Organization