International Conference on Radio Spectrum Conservation Techniques.International Conference on Radio Spectrum Conservation Techniques (2nd : 1983 : University of Birmingham)：Radio spectrum conservation techniques.IEE,1983.
OrganisedbytheElectronicsDivisionoftheInstitutionofElectricalEngineers,International Conference on Radio Spectrum Conservation Techniques.International Conference on Radio Spectrum Conservation Techniques (1980 : London).The Institution of Electrical Engineers,1980.
International Conference on Radio Spectrum Conservation Techniques (1980 : London)
OrganisedbytheElectronicsDivisionoftheInstitutionofElectricalEngineers,International Conference on Radio Spectrum Conservation Techniques.The Institution of Electrical Engineers,1980.
