RF series : fixed service: CCIR recommendations: (new and revised as of 8 March 1992) / International Telecommunication Union
CMTT series : television and sound transmission: CCIR recommendations (new and revised as of 1 September 1992) / International Telecommunication Union
RBS series : Broadcasting service (sound): 1992 CCIR recommendations (new and revised as of 3 September 1992) / International Telecommunication Union
RBT series : broadcasting service (television): 1992 - CCIR recommendations (new and revised as of 15 September 1992) / International Telecommunication Union