1997 Série BR : Enregistrement sonore et télévisuel: recommandations / UIT-R
Recording for production, archival and play-out; film for television : supplement No.1 to volume 2000 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