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035   $a(OCoLC)951907158
035   $a(EXLCZ)995470000002475005
100   $a20160620d1987      ua             0
101 0 $aeng
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aDCTDOS $eneutron and gamma penetration in composite duct systems /$fL. V. Spencer
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1987.
215   $a1 online resource
225 1 $aNBSIR ;$v87-3534
300   $a1987.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
517   $aDCTDOS 
700   $aSpencer$b L. V$01410103
701   $aSpencer$b L. V$01410103
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bNBS
801  1$bNBS
801  2$bGPO
906   $aBOOK
912   $a9910709926403321
996   $aDCTDOS$93504031
997   $aUNINA