LEADER 01446aam 2200421I 450 001 9910711395803321 005 20160202091802.0 024 8 $aGOVPUB-C13-a0790a0bafb71e05a64770d30c0212f8 035 $a(CKB)5470000002482069 035 $a(OCoLC)936371321 035 $a(EXLCZ)995470000002482069 100 $a20160202d1961 ua 0 101 0 $aeng 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aMean electron density variations of the quiet ionosphere no. 5 /$fJ. W. Wright, L. R. Wescott, D. J. Brown 210 1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1961. 215 $a1 online resource 225 1 $aNBS technical note ;$v40-5 300 $a1961. 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 $a9910711395803321 996 $aMean electron density variations of the quiet ionosphere no. 5$93505891 997 $aUNINA