LEADER 00000nam 2200253 a 4500 001 0180205 003 UkHlHU 007 t 008 000812 0 1980 000 eng 040 UkHlHU 050 4 |fq|aTK5 I59 C7(188) 110 2 International Conference on Radio Spectrum Conservation Techniques, London, 1980. 245 00 Radio spectrum conservation techniques. 260 London :|bInstitution of Electrical Engineers,|c1980. 300 176p. 440 0 IEE conference publications ;|vno.188. 650 0 Wireless telephony. 710 2 Institution of Electrical Engineers. Electronics Division. 946 020 absent -- ISBN check required
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