000			00295nam a2200133Ia 4500
999			_c33455 _d33455
020			_a9788120321083
100			_aMark J Hammer.
245			_aWater and Wastewater Technology
250			_a4
260			_c2004 _bPHI _aNew Delhi
300			_avii+536
700			_aMark J Hammer.
942			_cREF