Fixed-satellite service : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume IV - part 1 / International Telecommunication Union
XVIIth Plenary Assembly, Dusseldorf : recommendations of the CCIR: / International Telecommunication Union
Mobile, radiodetermination, amateur and related satellite services : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume VIII / International Telecommunication Union
Broadcasting-satellite service (sound and television) : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume X and XI- part 2 / International Telecommunication Union
Fixed-satellite service : reports of the CCIR, 1990: (also decisions): annex to volume IV - part 1 / International Telecommunication Union
Maritime mobile service : reports of the CCIR, 1990: (also decisions s): annex 2 volume VIII / International Telecommunication Union
Mobile satellite services : (aeronautical, land, maritime, mobile radiodetermination) aeronautical service: reports of the CCIR, 1990: (also decisions): annex 3 to volume VIII / International Telecommunication Union
Land satellite service : amateur service: amateur satellite service: reports of the CCIR, 1990: (also decisions s): annex 1 to volume VIII / International Telecommunication Union
Broadcasting-satellite service (sound and television) : reports of the CCIR, 1990: (also decisions): annex to volumes X and XI- part 2 / International Telecommunication Union
Study groups 4, 9 : questions of the CCIR, 1990: volume XV-4 / International Telecommunication Union