000			00304nam a22001337a 4500
999			_c821 _d821
020			_a9788181471446
082			_a660.02
100			_aJ F Richardson & Others
245			_aCoulson and Richardsons chemical engineering
250			_a5th
260			_aNew Delhi _bElsevier
300			_a1229
942			_cBK _07