1994 F series : part 2: fixed service: HF systems / ITU-R
1995 F series : Part 2: fixed service: HF systems: ITU-R recommendations (new and revised as of 21 October 1995) / International Telecommunicatios Union
ITU-R IS series : compatibility between the sound-broadcasting service in the band of about 87-108 MHz and the aeronautical services in the band 108-137 MHz: 1994: rec. ITU-R IS.1009: (new as of 9 November 1993) / ITU-R
1995 IS series : Inter-service sharing and compatibility: ITU-R recommendations (new and revised as of 21 October 1995) / ITU-R