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200 10$aProperties of some lightweight-aggregate concretes with and without an air-entraining admixture /$fby Perry H. Petersen
210   $aWashington $cNational Bureau of Standards $cFor sale by the Supt. of Docs., U.S. G.P.O.$d1948
215   $a1 online resource (7 pages) $cillustrations
225 1 $aBuilding materials and structures report ;$v112
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
320   $aIncludes bibliographical references.
606   $aAir-entrained concrete$xTesting
606   $aConcrete$xAdditives
606   $aConcrete$xAir content
606   $aLightweight concrete$xMechanical properties$xTesting
606   $aAir-entrained concrete$xTesting$2fast
606   $aConcrete$xAdditives$2fast
606   $aConcrete$xAir content$2fast
615  0$aAir-entrained concrete$xTesting.
615  0$aConcrete$xAdditives.
615  0$aConcrete$xAir content.
615  0$aLightweight concrete$xMechanical properties$xTesting.
615  7$aAir-entrained concrete$xTesting.
615  7$aConcrete$xAdditives.
615  7$aConcrete$xAir content.
700   $aPetersen$b Perry H$01393338
712 02$aUnited States.$bNational Bureau of Standards.
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906   $aBOOK
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996   $aProperties of some lightweight-aggregate concretes with and without an air-entraining admixture$93531321
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