000			00511nab a2200157 4500
005			20260520002727.0
008			260224s xxu
245	0	0	_aProppant progress
270			_a12/09/06 ; 23/05/2005
300			_a3 p.
520			_aAfter years of stagnation, a step change in fracture technology is in the offing.
773	0		_tNew technology magazine _gVol. 11, no. 3 (abr./mayo 2005) ; p. 12-14
942			_cARTICULO
100	1		_aByfield, Mike _936425
999			_c164827 _d164827