Broadcasting service (sound) : reports of the CCIR, 1990: (also decisions): annex volume X - part 1 / International Telecommunication Union
RF series : fixed service: CCIR recommendations: (new and revised as of 8 March 1992) / International Telecommunication Union
RIS series : Inter-service sharing and compatibility: CCIR recommendations (as of 29September 1992) / International Telecommunication Union
RM series : mobile , radiodetermination, amateur and related satellite services: CCIR recommendations (new and revised as of 22 September 1992) / International Telecommunication Union