000			00440nam a2200169Ia 4500
008			230711s9999||||xx |||||||||||||| ||und||
041			_aENG
082			_a624 _bDA-E
100			_aMackenzie Davis
245		0	_aIntroduction to environmental engineering
250			_a1st . Ed.
260			_c1991 _aNew Delhi _bTata McGraw Hill Education Limited
300			_a822
650			_aCivil Engineering
700			_aCornwell,David
942			_cBK
999			_c3300 _d3300