1.		Administrative texts of the CCIR : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume XIV / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
2.		Fixed service using radio-relay systems : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume IX - part 1 / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
3.		Broadcasting service (sound) : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume X - part 1 / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
4.		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 Data Publicação: 1990 Tema: Radiocomunicações
5.		Sound and television recording : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume X and XI- part 3 / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
6.		Television and sound transmission (CMTT) : recommendations of the CCIR, 1990: (also resolutions and options): volume XII / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
7.		Vocabulary (CCV) : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume XIII / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
8.		Spectrum utilization and monitoring : reports of the CCIR, 1990: (also decisions): annex to volume I / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
9.		Space research and radioastronomy services : reports of the CCIR, 1990: (also opinions): annex to volume II / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
10.		Fixed service at frequences below about 30 Mhz : reports of the CCIR, 1990: (also decisions): annex to volume III / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
11.		Fixed-satellite service : reports of the CCIR, 1990: (also decisions): annex to volume IV - part 1 / International Telecommunication Union Data Publicação: 1990 Tema: Radiocomunicações
12.		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 Data Publicação: 1990 Tema: Radiocomunicações