LEADER 01465nam 2200373Ia 450 001 9910698984403321 005 20090616103436.0 035 $a(CKB)5470000002398028 035 $a(OCoLC)401294309 035 $a(EXLCZ)995470000002398028 100 $a20090616d1986 ua 0 101 0 $aeng 135 $aurbn||||a|||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aWind-tunnel acoustic results of two rotor models with several tip designs$b[electronic resource] /$fR.M. Martin and Andrew B. Connor 210 1$aHampton, Va. :$cNational Aeronautics and Space Administration, Scientific and Technical Information Branch,$d[1986] 215 $a1 volume 225 1 $aNASA technical memorandum ;$v87698 300 $aTitle from title screen (viewed on May 19, 2009). 300 $a"July 1986." 517 3 $aWind tunnel acoustic results of two rotor models with several tip designs 606 $aRotors (Helicopters)$xNoise 615 0$aRotors (Helicopters)$xNoise. 700 $aMartin$b R. M$g(Ruth McVoy),$f1956-$01410052 701 $aConnor$b Andrew B$01410053 712 02$aUnited States.$bNational Aeronautics and Space Administration.$bScientific and Technical Information Branch. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910698984403321 996 $aWind-tunnel acoustic results of two rotor models with several tip designs$93497954 997 $aUNINA