BO series : Broadcasting-satellite service (sound and television): ITU-R reports / ITU-R
1995 BO series : Broadcasting-satellite service (sound and television): ITU-R recommendations (new and revised as of 21 October 1995) / International Telecommunication Union
Broadcasting-satellite service (sound and television) : supplement 2 to volume 1997 BO Series / ITU-R
1995 BR series : sound and television recording: ITU-R recommendations (new and revised as of 21 October 1995) / International Telecommunication Union