ITU-R recommendations and reports / International Telecommunication Union
1997 M series - part 1 : land mobile service excluding IMT-2000: recommendations / ITU-R
Land mobile service excluding IMT-2000 : supplement 1 to volume 1997 M Series - part 1 / ITU-R
Land mobile service excluding IMT-2000 : supplement 2 to volume 1997 M Series - part 1 / ITU-R