000 00376nab a2200157 4500
005 20260520004249.0
008 260224s2011 xxu
245 0 0 _aEnergy trends
260 _a
_b
_cmay. 2011
270 _a17/06/2011 ; 17/06/2011
300 _a1 p. ; 10
581 _a772
773 0 _tPetroleum Review
_g65
942 _cARTICULO
999 _c182811
_d182811