LEADER 01392oam  2200397Ka 450 
001 9910692590803321
005 20040424141958.0
035   $a(CKB)5470000002353543
035   $a(OCoLC)55017286
035 9 $aocm55017286
035   $a(OCoLC)995470000002353543
035   $a(EXLCZ)995470000002353543
100   $a20040424d2001      ua             0
101 0 $aspa
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aInventario mundial de la calidad del carbo?n mineral (WoCQI)$b[electronic resource] /$f[por Robert B. Finkelman y Vivian S. Lovern ; traducido por Mari?a del C. Rivera]
210  1$a[Reston, Va.] :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d[2001]
225 1 $aUSGS fact sheet ;$vFS-058-01
300   $aTitle from title screen (viewed on Apr. 24, 2004).
300   $a"May 2001"
517   $aInventario mundial de la calidad del carbo?n mineral 
606   $aCoal reserves
606   $aCoal$xAnalysis
615  0$aCoal reserves.
615  0$aCoal$xAnalysis.
700   $aFinkelman$b Robert B$g(Robert Barry)$01381537
701   $aLovern$b Vivian S$01381538
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910692590803321
996   $aInventario mundial de la calidad del carbo?n mineral (WoCQI)$93432672
997   $aUNINA