000			00317nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_a627
082			_b75 WEL
100			_aWell Association
245		0	_aWell Drilling Manual
260			_aJodhpur
260			_bScientific Pub.
260			_c1985
300			_a69
999			_c27603 _d27603