Network security : technology advances, strategies and change drivers / International Engineering Consortium
MNP Threatens MNOs in Europe most competititve markets [documento electrónico] / Matt Hatton
IP/DSL set top boxes [documento electrónico] : benefiting from the rise of telco TV / Michelle Abraham
Internet - serviços de acesso e utilização [documento electrónico] : análise e previsões, 2003 -2007 / Gabriel Coimbra