Actes finals de la conférence de plénipotentiaires (Marrakech, 2002) / Union Internationale des Télécommunications
Thirty-fifth report by the International Telecommunication Union on telecommunication and the peaceful uses of outer space : booklet No. 44 / International Telecommunication Union
Report of the administrative council to the plenipotenciary conference : section 5.2.1: Nice 1989 / International Telecommunication Union
Actes finals de la conférence de plénipotentiaires additionnelle / org. Union Internationale des Télécommunications