000			00353nam a22001337a 4500
020			_a8120321081
082			_222 _a628.121
100			_aHammer, Mark J. and Hammer, Mark J.
245			_aWater and wastewater technology /
250			_a4th ed.
260			_aNew Delhi, _bPrentice Hall, _cc2006.
300			_avii, 536 p. ; _bill. ;
942			_2ddc _cCIVIL _02
999			_c3677 _d3677