Addendum 1 to Administrative Circular CA/05 : 21 May 1999: Questionnaire 12/1: Tariff policies, tariff models and methods of determining the cost of national telecommunication services / ITU-D
Administrative Circular CA/06 : 17 May 1999: Convening of the second meetings of ITU-D study groups: Study group 1: 30 August - 3 September 1999: Study group 2: 6 -10 September 1999 / ITU-D; study groups 1 and 2
Nomenclature des stations de navire / Union Internationale des Télécommunications
Nomenclature des stations de navire : supplément Nº 1 à la 48e édition