000 nam a22 7a 4500
999 _c3046
_d3046
003 Biblioteca INTEMIN
005 20180523233612.0
007 ta
008 180523b xxu||||| |||| 00| 0 eng d
041 _ainglés
080 _a 622.06/U58b/Ser 643
100 _aWalters, Jack G.
_96835
245 _aYields and analyses of tras and light oils from carbonization of U.S. Coals
_cWalters, Jack G.
260 _aWashington
_bBureau of mines
_c1967
440 _aBulletin, 643
_96836
650 _aMINERIA
_965
651 _aACEITE
_96839
651 _aCARBON
_96840
942 _cCR