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
Service de radiodiffusion par satellite : (radiodiffusion sonore et télévision): / Unión Internationale des Telecommunications
Sound and television recording : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume X and XI- part 3 / International Telecommunication Union
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