Microsoft exchange server 2003 administrator's companion / Walter J. Glenn and Bill English
A era da informação : economia, sociedade e cultura / Manuel Castells; trad. Alexandra Lemos, Catarina Lorga, Tânia Soares; coord. José Manuel Paquete de Oliveira, Gustavo Leitão Cardoso
Interactive television : contents, applications and challeges
Controlling market power in telecommunications : antitrust vs. sector-specific regulation / Damien Geradin and Michel Kerf