Telecomunicações e incapacidade : COST 219 / ed. by Stephen von Tetzchner
Europe le defi de la société de l'information : technologies de l'information et des télécommunications nouveaux produits - nouveaux marchés / Club de Bruxelles
Europe towards the global information society : new directions arising from the genval workshop / European Comission
Public comments on the 1994 green paper on mobile and personal communications [texto policopiado] / European Comission