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- [6] REACHING FOR SPECTRUM - WARC 79 - SCANTLEBURY,M TELECOMMUNICATION JOURNAL, 1983, 50 (12): : 717 - 717
- [7] FREQUENCY MANAGEMENT AND SPECTRUM UTILIZATION FOR HF BROADCASTING JOURNAL OF THE INSTITUTION OF ELECTRONIC AND RADIO ENGINEERS, 1988, 58 (04): : S38 - S44
- [10] OUTLOOK FOR SHORT-WAVE BROADCASTING - MEAGRE INCREASE OF FREQUENCY ALLOCATIONS GAINED FROM WARC 79 WIRELESS WORLD, 1980, 86 (1533): : 84 - 85