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024 8 $aGOVPUB-C13-8c6340cb36e472a6f6b09df01af8a988
035   $a(CKB)5470000002482071
035   $a(OCoLC)936371313
035   $a(EXLCZ)995470000002482071
100   $a20160202d1963      ua             0
101 0 $aeng
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aMean electron density variations of the quiet ionosphere no. 12 /$fJ. W. Wright, L. R. Wescott, D. J. Brown
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1963.
215   $a1 online resource
225 1 $aNBS technical note ;$v40-12
300   $a1963.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
606   $aIonosphere
615  0$aIonosphere.
700   $aWright$b J. W$01392660
701   $aBrown$b D. J$0383088
701   $aWescott$b L. R$01409945
701   $aWright$b J. W$01392660
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bNBS
801  1$bNBS
801  2$bGPO
906   $aBOOK
912   $a9910711395603321
996   $aMean electron density variations of the quiet ionosphere no. 12$93515954
997   $aUNINA