Advanced satellite communications / European Telecommunications Satellite Organization
Olá Europa : guia da Europa e da União Europeia para jovens / Serviço das Publicações Oficiais das Comunidades Europeias
9th CEPT Radio Conference : 11-13 October 2000: Lisbon / European Conference of Postal and Telecommunications Administrations
Eurostat yearbook 2002 : the statistical guide to Europe / European Commission