000			00350nam a2200133Ia 4500
005			20250107154613.0
008			241216s9999||||xx |||||||||||||| ||und||
082			_a628.2 TCH
100			_aGeorge Tchobanoglous
245		0	_aWaste water engineering
250			_a3rd ed.
260			_aNew York _bTata McGraw Hill Publishing Company, _c1991
942			_cBK
999			_c3490 _d3490