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100   $a20160708d1953      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aConcentration of germanium in the ash of American coals $ea progress report /$fby Taisia Stadnichenko [and three others]
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1953.
215   $a1 online resource (iii, 34 pages) $cillustrations, maps
225 1 $aGeological Survey circular ;$v272
320   $aIncludes bibliographical references (pages 11-12).
517   $aConcentration of germanium in the ash of American coals 
606   $aCoal$zUnited States
606   $aGermanium
606   $aMineralogy$zUnited States
606   $aMines and mineral resources$zUnited States
606   $aCoal$2fast
606   $aGermanium$2fast
606   $aMineralogy$2fast
606   $aMines and mineral resources$2fast
607   $aUnited States$2fast
615  0$aCoal
615  0$aGermanium.
615  0$aMineralogy
615  0$aMines and mineral resources
615  7$aCoal.
615  7$aGermanium.
615  7$aMineralogy.
615  7$aMines and mineral resources.
700   $aStadnichenko$b Taisia$f1894-1958,$01400279
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCE
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711314203321
996   $aConcentration of germanium in the ash of American coals$93498408
997   $aUNINA