000 00411nab a2200157 4500
005 20260520002848.0
008 260224s2011 xxu
245 0 0 _aEXCO presses Haynesville, evaluates Bossier
260 _a
_b
_c7 feb. 2011
270 _a22/02/2011 ; 22/02/2011
300 _a2 p. ; 38-39
581 _a6
773 0 _tOil & Gas Journal
_g109
942 _cARTICULO
999 _c173501
_d173501