LEADER 01650oam 2200421 450 001 9910704260903321 005 20160203111012.0 035 $a(CKB)5470000002439065 035 $a(OCoLC)935529483 035 $a(OCoLC)995470000002439065 035 $a(EXLCZ)995470000002439065 100 $a20160121d1976 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aIso-intensity contours of ground magnetic H perturbations for the December 16-18, 1971 geomagnetic storm /$fby Y. Kamide 210 1$aBoulder, Colorado :$cWorld Data Center A for Solar-Terrestrial Physics, NOAA,$d1976. 215 $a1 online resource (ii, 37 pages) $cillustrations 225 1 $aWorld Data Center A for Solar-Terrestrial Physics, report UAG ;$v56 300 $a"April 1976." 300 $aTitle from title screen (viewed January 21, 2016). 320 $aIncludes bibliographical references (page 6). 606 $aMagnetic storms$y1971 (December) 606 $aIonospheric radio wave propagation$vObservations 615 0$aMagnetic storms 615 0$aIonospheric radio wave propagation 700 $aKamide$b Y$g(Yo?suke),$f1943-2021,$01399822 712 02$aUnited States.$bNational Oceanic and Atmospheric Administration. 712 02$aWorld Data Center A for Solar-Terrestrial Physics, 801 0$bGPO 801 1$bGPO 801 2$bGPO 906 $aBOOK 912 $a9910704260903321 996 $aIso-intensity contours of ground magnetic H perturbations for the December 16-18, 1971 geomagnetic storm$93544156 997 $aUNINA