RBR series : sound and television recording: CCIR recommendations (new and revised as of 15 September 1992) / International Telecommunication Union
RBO series : Broadcasting-satellite service (sound and television): CCIR recomendations: (new and revised as of 15 September 1992) / International Telecommunication Union
Final acts of the world administrative radio conference for dealing with frequency allocations in certain parts of the spectrum : (WARC-92) / org. International Telecommunication Union
UNION INTERNATIONALE DES TÉLÉCOMMUNICATIONS [. Comité Consultatif Internationale des Radiocommunnications]