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035   $a(EXLCZ)995470000002483605
100   $a20160708d1952      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGeochemical association of niobium (columbium) and titanium and its geological and economic significance /$fby Michael Fleischer [and three others]
210  1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1952.
215   $a1 online resource (13 pages)
225 1 $aGeological Survey circular ;$v225
300   $a"This report concerns work done on behalf of the U.S. Atomic Energy Commission and is published with the permission of the Commission."
320   $aIncludes bibliographical references (pages 9-10).
517   $aGeochemical association of niobium 
606   $aNiobium
606   $aTitanium
606   $aNiobium$2fast
606   $aTitanium$2fast
615  0$aNiobium.
615  0$aTitanium.
615  7$aNiobium.
615  7$aTitanium.
700   $aFleischer$b Michael$f1908-1998,$01405714
712 02$aGeological Survey (U.S.),
712 02$aU.S. Atomic Energy Commission,
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCE
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910711443703321
996   $aGeochemical association of niobium (columbium) and titanium and its geological and economic significance$93502172
997   $aUNINA