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035   $a(CKB)5470000002460187
035   $a(OCoLC)1032006727
035   $a(EXLCZ)995470000002460187
100   $a20180423d2016      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aQuantitative assessments of spectrum usage
210  1$a[Washington, D.C.] :$cU.S. Department of Commerce, [National Telecommunications and Information Administration],$d2016.
215   $a1 online resource (vi, 66 pages) $cillustrations
300   $a"November 2016."
320   $aIncludes bibliographical references.
606   $aFrequency spectra
606   $aWireless communication systems$zUnited States
615  0$aFrequency spectra.
615  0$aWireless communication systems
712 02$aUnited States.$bNational Telecommunications and Information Administration,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910706929303321
996   $aQuantitative assessments of spectrum usage$93262199
997   $aUNINA