1.		Handbook on radio frequency spectrum requirements for civil aviation : including statement of approved ICAO policies / ICAO - International Civil Aviation Organization Data Publicação: 2003 Tema: Radiocomunicações
2.		ETSI TR 102 260 [documento electrónico] : technical report: electromagnetic compatibility and radio spectrum matters (ERM); code division multiple access public access mobile radio (CDMA-PAMR); system reference document / European Telecommunications Standards Institute Data Publicação: 2003 Tema: Normas