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100   $a20200805j196901    ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aCrack toughness characteristics of several alloys for use in heavy sections of high speed aircraft /$fby Raymond T. Bubsey and William F. Brown, Jr
210  1$aWashington, D.C. :$cNational Aeronautics and Space Administration,$dJanuary 1969.
215   $a1 online resource (iii, 34 pages) $cillustrations
225 1 $aNASA/TN ;$vD-4998
300   $a"January 1969."
320   $aIncludes bibliographical references (pages 33-34).
606   $aAlloys$2nasat
606   $aCracks$2nasat
606   $aMetals$xFracture
606   $aFracture mechanics
606   $aHigh-speed aeronautics
606   $aFracture mechanics$2fast
606   $aHigh-speed aeronautics$2fast
606   $aMetals$xFracture$2fast
615  7$aAlloys.
615  7$aCracks.
615  0$aMetals$xFracture.
615  0$aFracture mechanics.
615  0$aHigh-speed aeronautics.
615  7$aFracture mechanics.
615  7$aHigh-speed aeronautics.
615  7$aMetals$xFracture.
700   $aBubsey$b Raymond T.$01419074
702   $aBrown$b William F.$cJr.,
712 02$aUnited States.$bNational Aeronautics and Space Administration,
801  0$bCOP
801  1$bCOP
801  2$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910716038003321
996   $aCrack toughness characteristics of several alloys for use in heavy sections of high speed aircraft$93532386
997   $aUNINA