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035   $a(EXLCZ)995470000002448353
100   $a20100311g19599999  ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMean electron density variations of the quiet ionosphere /$fby J.W. Wright and L.A. Fine
210  1$aWashington, D.C. :$cNational Bureau of Standards, United States Department of Commerce, Office of Technical Services,$d[1959-
215   $a1 online resource $cillustrations
225 1 $aNational Bureau of Standards technical note ;$v40.
300   $aTitle from titles screen (viewed Mar. 19, 2014).
300   $a"Boulder Laboratories"--Cover.
300   $a"P.B. 151399-1."
300   $a"P.B. 151399-2."
300   $a"P.B. 151399-3."
300   $a"P.B. 151399-4."
320   $aIncludes bibliographical references.
606   $aIonosphere
615  0$aIonosphere.
700   $aWright$b J. W.$01392660
712 02$aBoulder Laboratories (U.S.),
712 02$aUnited States.$bDepartment of Commerce.$bOffice of Technical Services,
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910705300903321
996   $aMean electron density variations of the quiet ionosphere$93528538
997   $aUNINA