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- [6] LINCOMPEX SYSTEM FOR RPOTECTION OF HF RADIO-TELEPHONE CIRCUITS POST OFFICE ELECTRICAL ENGINEERS JOURNAL, 1966, 59 : 163 - +
- [9] MOBILE TELEPHONE TERMINAL FOR 1 OR 2 RADIO CHANNELS ELECTRICAL COMMUNICATION, 1968, 43 (03): : 204 - &
- [10] CONTROLLABLE COMPANDING IN FM RADIO-TELEPHONE COMMUNICATION-SYSTEMS IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOELEKTRONIKA, 1983, 26 (09): : 73 - 75