000 nam a22 7a 4500
999 _c3880
_d3880
003 Biblioteca INTEMIN
005 20180531220139.0
007 ta
008 180527b xxu||||| |||| 00| 0 eng d
041 _ainglés
080 _a665
100 _aFields, Herbert H.
_93547
245 _aCommercial-quality gas from the multipurpose borehole located in the Pittsburgh coalbed
_cFields, Herbert H.; Perry, John H.; Deul, Maurice
260 _aWashington
_bBureau of mines
_c1975
300 _a14 p.
440 _aRI 8025
_97181
650 _aGAS
_93338
650 _aGAS
_92163
651 _aPittsburgh (ESTADOS UNIDOS)
_98115
651 _aPittsburgh (UNITED STATES)
_98116
653 _aGAS DE CALIDAD
653 _aQUALITY GAS
700 _aPerry, John H.
_93906
700 _aDeul, Maurice
_98113
942 _2udc
_cCR