LEADER 01589nam  2200409   450 
001 9910698604903321
005 20150925073350.0
035   $a(CKB)5470000002436600
035   $a(OCoLC)921881818
035   $a(OCoLC)995470000002436600
035   $a(EXLCZ)995470000002436600
100   $a20150922d1970      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aAtlas of ionograms /$fedited by A.H. Shapley ; prepared by Research Laboratories, ESSA, Boulder, Colorado
210  1$aAsheville, N.C. :$cU.S. Department of Commerce, Environmental Science Services Administration, Environmental Data Service, 1970.
215   $a1 online resource (various pagings) $cillustrations, maps
225 1 $aWorld Data Center A, Upper Atmosphere Geophysics. Report UAG ;$v10
300   $a"May 1970."
300   $aAt head of title: World Data Center A, Upper Atmospheric Geophysics.
300   $aTitle from title screen (viewed September 22, 2015).
320   $aIncludes bibliographical references and index.
606   $aIonospheric radio wave propagation$vObservations
606   $aIonosphere$xResearch
615  0$aIonospheric radio wave propagation
615  0$aIonosphere$xResearch.
702   $aShapley$b Alan H.
712 02$aUnited States.$bEnvironmental Science Services Administration.$bResearch Laboratories,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910698604903321
996   $aAtlas of ionograms$93255428
997   $aUNINA