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024 _a71684
037 _cTextual
040 _aCSL
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082 _aD666:2, K6
100 _aDu caster Francois
245 0 _aTropospheric radiowave propagation beyond the horizon
260 _c1966
300 _ap.
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650 _aElectrical engineering
942 _hD666:2, K6
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999 _c35089
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