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100   $a20190610d1948      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAnalysis of accuracy of gas-filled bellows for sensing gas density /$fby Edward W. Otto
210  1$aWashington, [D.C.] :$cNational Advisory Committee for Aeronautics,$d1948.
215   $a1 online resource (29 pages) $cillustrations
225 1 $aTechnical notes / National Advisory Committee for Aeronautics ;$vNo. 1538
300   $a"February 1948."
300   $aNo Federal Depository Library Program (FDLP) item number.
606   $aGases$xMeasurement
606   $aGas dynamics
606   $aGases$xMeasurement$2fast
615  0$aGases$xMeasurement.
615  0$aGas dynamics.
615  7$aGases$xMeasurement.
700   $aOtto$b Edward W.$01417489
712 02$aUnited States.$bNational Advisory Committee for Aeronautics,
801  0$bTRAAL
801  1$bTRAAL
801  2$bOCLCO
801  2$bTRAAL
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910713765303321
996   $aAnalysis of accuracy of gas-filled bellows for sensing gas density$93526033
997   $aUNINA