Sound and television recording : supplement 3 to volume 1997 BR Series / ITU-R
Broadcasting services : supplement 1 to volume 2000 BS - BT Series / ITU-R
1995 BS series : Broadcasting service (sound): ITU-R recommendations (new and revised as of 21 October 1995) / International Telecommunication Union
1994 BS series : Broadcasting service (sound): ITU-R recommendations / ITU-R