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100   $a20190805d1922      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aSylphon diaphragms: a method for predicting their performance for purposes of instrument design /$fby H.N. Eaton and G.H. Keulegan
210  1$a[Washington D.C.] :$cNational Advisory Committee for Aeronautics,$d1922.
215   $a1 online resource (14 pages, 4 unnumbered pages) $cillustrations
225 1 $aTechnical notes / National Advisory Committee for Aeronautics ;$vNo. 90
300   $a"May, 1922."
300   $aNo Federal Depository Library Program (FDLP) item number.
517   $aSylphon diaphragms
606   $aDiaphragms (Structural engineering)
606   $aMathematical analysis
615  0$aDiaphragms (Structural engineering)
615  0$aMathematical analysis.
700   $aEaton$b Herbert N$g(Herbert Nelson),$f1892-$01398609
702   $aKeulegan$b Garbis H$g(Garbis Hovannes),$f1890-1989,
712 02$aUnited States.$bNational Advisory Committee for Aeronautics,
801  0$bTRAAL
801  1$bTRAAL
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910713076303321
996   $aSylphon diaphragms: a method for predicting their performance for purposes of instrument design$93462229
997   $aUNINA