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035   $a(OCoLC)812261788
035   $a(EXLCZ)995470000002425066
100   $a20121009d1986      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aModifications to the 4 x 7 meter tunnel for acoustic research$b[electronic resource] $eengineering feasibility study
210  1$aOrlando, Fla. :$cDSMA Engineering Corporation;$aHampton, Va. :$cNational Aeronautics and Space Administration, Langley Research Center,$d[1986]
215   $a1 online resource (vii, 77 pages) $cillustrations
225 1 $aNASA contractor report ;$v178079
300   $aTitle from title screen (viewed Oct. 9, 2012).
300   $a"March 1986."
320   $aIncludes bibliographical references (page 44).
517   $aModifications to the 4 x 7 meter tunnel for acoustic research 
606   $aAcoustic measurement$2nasat
606   $aAeroacoustics$2nasat
606   $aDesign analysis$2nasat
606   $aLow speed wind tunnels$2nasat
606   $aWind tunnel drives$2nasat
606   $aWind tunnel tests$2nasat
615  7$aAcoustic measurement.
615  7$aAeroacoustics.
615  7$aDesign analysis.
615  7$aLow speed wind tunnels.
615  7$aWind tunnel drives.
615  7$aWind tunnel tests.
712 02$aLangley Research Center.
712 02$aDSMA Engineering Corporation.
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910702107703321
996   $aModifications to the 4 x 7 meter tunnel for acoustic research$93548757
997   $aUNINA