000 00470nab a2200169 4500
005 20260520001048.0
008 260224s2011 xxu
245 0 0 _aTechnology advances push greener side of fracing
260 _a
_b
_cmayo/jun. 2011
270 _a20/07/2011 ; 20/07/2011
300 _a7 p. ; 80;82;84;86-88;90
581 _a3
773 0 _tDrilling Contractor
_g67
942 _cARTICULO
100 1 _aLangley, Diane
_933800
999 _c184106
_d184106