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100   $a20140912j198309    ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDevelopment of a mercuric iodide solid state spectrometer for X-ray Astronomy /$fPrepared for NASA Headquarters by Dr. John B. Vallerga for Dr. George R. Ricker
210  1$a[Cambridge, MA :$cMassachusetts Institute of Technology, Center for Space Research] ;$a[Washington, D.C.] :$cNASA Headquarters,$dSeptember 1983.
215   $a1 online resource (138 unnumbered pages) $cillustrations
225 1 $aNASA-CR ;$v175330
300   $aTitle from title screen (viewed Sept. 12, 2014).
300   $a"September 1983."
320   $aIncludes bibliographical references.
327   $aX-ray observations of the 1980 Cygnus X-1 "high state" -- Studies of new hard X-ray detection methods and observations of cosmic X-ray sources.
606   $aIodides$2nasat
606   $aMercury compounds$2nasat
606   $aMonte Carlo method$2nasat
606   $aSpectrometers$2nasat
606   $aX ray astronomy$2nasat
606   $aX ray telescopes$2nasat
615  7$aIodides.
615  7$aMercury compounds.
615  7$aMonte Carlo method.
615  7$aSpectrometers.
615  7$aX ray astronomy.
615  7$aX ray telescopes.
700   $aVallerga$b John Vincent$01385940
701   $aRicker$b G. R$g(George R.)$01385941
712 02$aMassachusetts Institute of Technology.$bCenter for Space Research,
712 02$aUnited States.$bNational Aeronautics and Space Administration,
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910702697303321
996   $aDevelopment of a mercuric iodide solid state spectrometer for X-ray Astronomy$93434429
997   $aUNINA