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101 0 $aeng
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181   $2rdacontent
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200 04$aThe Ionosphere $eIGY instruction manual /$feditors, W. J. G. Beynon and G. M. Brown ; International Council of Scientific Unions
210  1$aLondon, [England] :$cPergamon Press,$d1957.
210  4$dİ1957
215   $a1 online resource (255 pages) $cillustrations
225 1 $aAnnals of the International Geophysical Year ;$vVolume III
311   $a1-4832-1312-9 
311   $a1-322-29169-1 
410  0$aAnnals of the International Geophysical Year ;$vVolume III.
606   $aIonosphere$xResearch
615  0$aIonosphere$xResearch.
676   $a551.5
702   $aBeynon$b W. J. G.
702   $aBrown$b G. M.
712 02$aInternational Council of Scientific Unions,
801  0$bMiAaPQ
801  1$bMiAaPQ
801  2$bMiAaPQ
906   $aBOOK
912   $a9910693568003321
996   $aThe Ionosphere$93092758
997   $aUNINA