Radiocommunications and climate change [documento eletrónico] / International Telecommunication Union
Estudo sobre o modelo de partilha de espectro Licensed Shared Access (LSA) em Portugal [documento eletrónico] / Autoridade Nacional de Comunicações
List of ship stations and maritime mobile service identity assignments / International Telecommunication Union
Dynamic spectrum management [documento eletrónico] : from cognitive radio to blockchain and artificial intelligence / Ying-Chang Liang
Manual for use by the maritime mobile-satellite services / International Teleommunication Union
Radio regulations [documento eletrónico] / International Telecommunication Union