LEADER 01911oam  2200541   450 
001 9910709740103321
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035   $a(OCoLC)995470000002472847
035   $a(EXLCZ)995470000002472847
100   $a20180705j198605    ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aHelicopter rotor noise due to ingestion of atmospheric turbulence /$fJohn C. Simonich, Roy Amiet, and Robert H. Schlinker
210  1$aWashington, D.C. :$cNational Aeronautics and Space Administration, Scientific and Technical Information Branch,$dMay 1986.
215   $a1 online resource (iv, 145 pages) $cillustrations
225 1 $aNASA/CR ;$v3973
300   $a"May 1986."
300   $a"United Technologies Research Center."
320   $aIncludes bibliographical references (pages 83-87).
606   $aHelicopters$2nasat
606   $aAtmospheric turbulence$2nasat
606   $aRotary wings$2nasat
606   $aSound waves$2nasat
606   $aSpectral emission$2nasat
615  7$aHelicopters.
615  7$aAtmospheric turbulence.
615  7$aRotary wings.
615  7$aSound waves.
615  7$aSpectral emission.
700   $aSimonich$b John C$g(John Charles),$01391686
702   $aAmiet$b Roy K.
702   $aSchlinker$b Robert H.
712 02$aUnited States.$bNational Aeronautics and Space Administration.$bScientific and Technical Information Branch,
712 02$aUnited Technologies Research Center.
712 02$aLangley Research Center.
801  0$bGPO
801  1$bGPO
801  2$bMERUC
801  2$bGPO
906   $aBOOK
912   $a9910709740103321
996   $aHelicopter rotor noise due to ingestion of atmospheric turbulence$93503232
997   $aUNINA