
1.		RTF, RSA and RRA series : science services: CCIR recommendations (new and revised as of 9 August 1992) / International Telecommunication Union Data Publicação: 1992 Tema: Radiocomunicações
2.		RF series : fixed service: CCIR recommendations: (new and revised as of 8 March 1992) / International Telecommunication Union Data Publicação: 1992 Tema: Radiocomunicações

RTF, RSA and RRA series : science services: CCIR recommendations (new and revised as of 9 August 1992) / International Telecommunication Union

Data Publicação: 1992 Tema: Radiocomunicações

RF series : fixed service: CCIR recommendations: (new and revised as of 8 March 1992) / International Telecommunication Union

Data Publicação: 1992 Tema: Radiocomunicações