Commission d'études 1, 12, 5, 6, 7 : questions du CCIR, 1990: volume XV-1 / International Telecommunication Union
Commission d'études 4, 9 : questions du CCIR, 1990: volume XV-4 / International Telecommunication Union
Handbook on radio frequency spectrum requirements for civil aviation : including statement of approved ICAO policies / ICAO - International Civil Aviation Organization
Study on assessing the efficiency of radio spectrum award processes in the Member States, including the effects of applying the European electronic communications code [documento eletrónico] / European Commission
Interference analysis : modelling radio systems for spectrum management / John Pahl
Study on radio spectrum policy programme [documento eletrónico] : taking stock and discussing future scenarios / European Commission