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100   $a20111115j196811    ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aObservations on permeation of polytetrafluoroethylene by compounds of rhenium, molybdenum, and tungsten /$fby Harold Leibecki
210  1$aWashington, D.C. :$cNational Aeronautics and Space Administration,$dNovember 1968.
215   $a1 online resource (ii, 13 pages) $cillustrations
225 1 $aNASA/TN ;$vD-4886
300   $a"November 1968."
320   $aIncludes bibliographical references (page 6).
606   $aTungsten compounds$2nasat
606   $aRhenium$2nasat
606   $aMolybdenum compounds$2nasat
606   $aChromium group$2fast
606   $aMolybdenum$2fast
606   $aRhenium$2fast
606   $aSolvents$2fast
606   $aTungsten$2fast
615  7$aTungsten compounds.
615  7$aRhenium.
615  7$aMolybdenum compounds.
615  7$aChromium group.
615  7$aMolybdenum.
615  7$aRhenium.
615  7$aSolvents.
615  7$aTungsten.
700   $aLeibecki$b Harold F.$01419385
712 02$aUnited States.$bNational Aeronautics and Space Administration,
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910715939203321
996   $aObservations on permeation of polytetrafluoroethylene by compounds of rhenium, molybdenum, and tungsten$93533657
997   $aUNINA