000 nam a22 7a 4500
999 _c3267
_d3267
003 Biblioteca INTEMIN
005 20180527191122.0
007 ta
008 180527b xxu||||| |||| 00| 0 eng d
041 _ainglés
080 _a552
100 _aFrost, Clyde M.
_93547
245 _aMethods for refining crude shale oil produced by in situ retorting
_cFrost, Clyde M.; Cottingham, Philip L.
260 _aWashington
_bBureau of mines
_c1974
440 _aRI 7844
_97181
650 _2PETROLOGIA
650 _aPETROLOGY
_92163
653 _aCRUDO DE PETROLEO
653 _aACEITE
653 _aCRUDE SHALE OIL
700 _aCottingham, Philip L.
_94650
942 _2udc
_cCR