Standard frequencies and time signals : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume VII / 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
Transmission télévisuelles et sonores : (CMTT): recommandations du CCIR, 1990: (ainsi que résolutions et voeux): volume XII / Unión Internationale des Telecommunications
Vocabulary (CCV) : recommendations of the CCIR, 1990: (also and resolutions and opinions): volume XIII / International Telecommunication Union