1994 M series - part 3 : maritime mobile service and aeronautical mobile service: ITU-R recommendations / ITU-R
1995 M series : part 3: maritime mobile service and aeronautical mobile service: ITU-R recommendations (revised as of 21 October 1995) / ITU-R
1995 M series - part 4 : radiodetermination service: ITU-R recommendations (revised as of 21 October 1995) / International Telecommunication Union
1997 M series - part 4 : radiodetermination service: recommendations / ITU-R