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120425s1965||||xxu|||||||||||||||||eng d |
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|a AR-LpUFI
|b spa
|c AR-LpUFI
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|a 621.371
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100 |
1 |
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|a Davies, Kenneth.
|9 303034
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245 |
1 |
0 |
|a Ionospheric radio propagation /
|c Kenneth Davies.
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260 |
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|a Washington :
|b U.S. Department of Commerce,
|c 1965.
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300 |
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|a 470 p. :
|b figuras
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520 |
2 |
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|a The earth´s atmosphere, geomagnetism and the sun - Theory of wave propagation - Synoptic studies of the ionosphere - Oblique propagation - Signal strength - Ionospheric disturbances - Ionospheric propagation predictions - Scatter propagation on very high frequencies - Propagation of low and very low frequency waves.
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650 |
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4 |
|a ONDAS
|9 264978
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650 |
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4 |
|a PROPAGACION DE ONDAS
|9 266036
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650 |
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7 |
|a IONOSFERA
|9 270015
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929 |
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|a 39176 DON Jacobo
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942 |
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|c LIB
|6 _
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999 |
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|a GEB
|c 18124
|d 18124
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