Frequency sharing and coordination between systems in the fixed-satellite service and radio-relay systems : reports of the CCIR, 1990: (also decisions): annex to volumes IV and IX - part 2 / 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
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
Broadcasting-satellite service (sound and television) : reports of the CCIR, 1990: (also decisions): annex to volumes X and XI- part 2 / International Telecommunication Union