LEADER 01399aam  2200397I  450 
001 9910710088503321
005 20151118015320.0
024 8 $aGOVPUB-C13-d58fc8c28fd54969608a8dc74b0d85ef
035   $a(CKB)5470000002475388
035   $a(OCoLC)929880378
035   $a(EXLCZ)995470000002475388
100   $a20151118d1973      ua             0
101 0 $aeng
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aSystem for preparation of known concentrations of methane in air /$fErnest E. Hughes; William D. Dorko; John K. Taylor
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1973.
215   $a1 online resource
225 1 $aNBSIR ;$v73-255
300   $a1973.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
700   $aHughes$b E. E$01390269
701   $aDorko$b William D$01393344
701   $aHughes$b E. E$01390269
701   $aTaylor$b John K$095171
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bNBS
801  1$bNBS
801  2$bGPO
906   $aBOOK
912   $a9910710088503321
996   $aSystem for preparation of known concentrations of methane in air$93454748
997   $aUNINA