European postal services : 7th annual conference: 8th,9th & 10th March 2004, Hotel Okura, Amsterdam / org. The Institute of Economic Affairs
2018 Super frequency list : broadcast and utility / ed. Klingenfuss Publications
xDSL - Summit : Europe's premier meeting place for the DSL services and technology industry: Monday 28th June 2004 - Radisson SAS Hotel, Nice / org. Institute for International Research
2005 Telecommunications market review and forecast [documento electrónico] / Telecommunications Industry Association