LEADER 01579aam 2200433I 450 001 9910711394603321 005 20160202091802.0 024 8 $aGOVPUB-C13-815983f4490c77026aab5b8ee90aed50 035 $a(CKB)5470000002482081 035 $a(OCoLC)936371184 035 $a(EXLCZ)995470000002482081 100 $a20160202d1962 ua 0 101 0 $aeng 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aMean electron density variations of the quiet ionosphere no. 13$eSummary of one year of data. May 1959-April 1960/$fJ. W. Wright, L. R. Wescott, D. J. Brown 210 1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1962. 215 $a1 online resource 225 1 $aNBS technical note ;$v40-13 300 $a1962. 300 $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes. 300 $aTitle from PDF title page. 320 $aIncludes bibliographical references. 517 $aMean electron density variations of the quiet ionosphere no. 13 606 $aIonosphere 615 0$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 $a9910711394603321 996 $aMean electron density variations of the quiet ionosphere no. 13$93527739 997 $aUNINA