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| 001 | vtls001304069 | ||
| 003 | NLI | ||
| 005 | 20210627043856.0 | ||
| 008 | 120418s1981 dcub i000 0 eng | ||
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_y201204181931 _zVLOAD |
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_aNLI _cVTLS-2012_FOD _eAACR2 |
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| 082 | 0 | 4 | _a384.50973 |
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_aDougherty, H. T. _9714599 |
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| 245 | 1 | 4 |
_aThe Role of Elevated Ducting for Radio Service and Interference Fields: / _cH. T. Dougherty, E. J. Dutton |
| 260 |
_aWashington, D.C. : _bUnited States Government Printing Office, _c1981 |
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_av, 55 p. : _bmaps. ; _c26 cm. |
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| 500 | _aNTIA-Report-81-69 | ||
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_aPersonal communication service systems _zUnited States _9725158 |
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_aRadio _xMonitoring receivers _zUnited States _9725159 |
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| 700 | 1 |
_aDutton, E. J. _4jt. aut _9725160 |
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_aAD 142101 _b28.10.2010 |
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| 902 | _aU.S 384.50973 D 745 | ||
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