UNION INTERNATIONALE DES TÉLÉCOMMUNICATIONS [. Comité Consultatif Internationale des Radiocommunnications]
RBR series : sound and television recording: CCIR recommendations (new and revised as of 15 September 1992) / International Telecommunication Union
CMTT series : television and sound transmission: CCIR recommendations (new and revised as of 1 September 1992) / International Telecommunication Union