000			00514nab a2200145 4500
005			20260520000245.0
008			260224s xxu
245	0	0	_aA question of quality _bWith more attention focusing on gas quality and interchangeability, policy changes may be imminent
270			_a12/09/06 ; 02/11/2005
300			_a4 p.
773	0		_tAmerican Gas _gVol. 87, no. 7 (agos./sept. 2005) ; p. 23-26
942			_cARTICULO
100	1		_aPaulson, Lawrence S. _921196
999			_c178408 _d178408