000			00384nab a2200133 4500
005			20260520003334.0
008			260224s xxu
245	0	0	_aRig shortage controls upturn _bOffshore drilling
270			_a17/05/05 ; 15/07/02
300			_a1 p.
773	0		_tWorld Oil _gVol. 219, no. 2 (feb. 1998) ; p. 103
942			_cARTICULO
999			_c134850 _d134850