DBS handbook : terrestrial and satellite digital sound broadcasting to vehicular, portable and fixed receivers in the VHF/UHF bands / International Telecommunication Union
Terrestrial and satellite digital sound broadcasting to vehicular, portable and fixed receivers in the VHF/UHF bands / International Telecommunication Union
Atlas mondial de la conductivité du sol : rapport 717-2 / Union Internationale des Télécommunications
Handbook use of radio spectrum for meteorology