000 00596nab a2200181 4500
005 20260608201656.0
008 260224s2010 xxu
100 1 _aRobertson, Helen
_944584
245 0 0 _aPiceance basin: world's largest oil-shale resource
260 _a
_b
_coct. 2010
270 _a21/02/2011 ; 21/02/2011
300 _a1 p. ; 23
520 _aTranscripción del resumen del autor. The US' oil-shale resources are potentially vast, but tapping them could be a problem, writes Helen Robertson
581 _a10
773 _g
942 _cARTICULO
999 _c173426
_d173426