Final acts : of the Regional Administrative Conference for the Planning of VHF/UHF Television Broadcasting Area and Neighbouring Countries: Geneva, 1989 / International Telecommunication Union
Report of the administrative council to the plenipotenciary conference (Nice 1989) / org. International Telecommunication Union
Report of the administrative council to the plenipotenciary conference : section 5.2.1: Nice 1989 / International Telecommunication Union