ISDN standards & approvals / [org.] CommEd Ltd.
Curso de Direito comunitário [policopiado] / Instituto Nacional de Administração
First international summer school on advanced broadband communications : towards IBC: lecture notes: RACE R.2095 BRAIN / Grupo de Sistemas de Banda Larga [do] Departamento de Electrónica e telecomunicações [da] Universidade de Aveiro
VSATS in Europe : Lower costs and regulation mean more market momentum: 25th May 1993, Hyatt Carlton Tower Hotel, London / org. International Business Communications