Report of the meeting of study group 1 (Geneva, 10-12 September 1998) : 12 January 1999 / International Telecommunication Union
Administrative Circular CA/03 : 22 January 1999 / ITU-D; study group 1
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 radiorepérage et des stations effectuant des services spéciaux / Union Internationale des Télécommunications; International Telecommunication Union; Unión Internacional de Telecomunicaciones
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