000			00340nam a2200145Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a660.2 _bPER
100			_aPerry Robert H
245		0	_aChemical engineers handbook
260			_aDelhi : _bMcgrow Hill, _c1997.
300			_a35
365			_a2049
650			_aCeutics
999			_c192716 _d192716